Home / 52,384.03-72,287.58-28,510.63

Finding the Fourth Proportional to 52,384.03, 72,287.58 and 28,510.63

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Solution

The fourth proportional to 52,384.03, 72,287.58 and 28,510.63 is: 39,343.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,384.03 : 72,287.58 = 28,510.63 : x
  2. Step 2: Convert to fraction form
    52,384.03/72,287.58 = 28,510.63/x
  3. Step 3: Cross multiply
    52,384.03x = 72,287.58 × 28,510.63
  4. Step 4: Simplify right side
    52,384.03x = 2,060,964,446.98
  5. Step 5: Solve for x
    x = 2,060,964,446.98/52,384.03
  6. Step 6: Final answer
    x = 39,343.37

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Double scale
Find fourth proportional to 52,385.03, 72,288.96 and 28,511.63
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.