Home / 52,312.47-72,192.03-28,439.24

Finding the Fourth Proportional to 52,312.47, 72,192.03 and 28,439.24

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Solution

The fourth proportional to 52,312.47, 72,192.03 and 28,439.24 is: 39,246.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,312.47 : 72,192.03 = 28,439.24 : x
  2. Step 2: Convert to fraction form
    52,312.47/72,192.03 = 28,439.24/x
  3. Step 3: Cross multiply
    52,312.47x = 72,192.03 × 28,439.24
  4. Step 4: Simplify right side
    52,312.47x = 2,053,085,999.65
  5. Step 5: Solve for x
    x = 2,053,085,999.65/52,312.47
  6. Step 6: Final answer
    x = 39,246.59

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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.