Home / 40,384.62-55,731.30-22,237.47

Finding the Fourth Proportional to 40,384.62, 55,731.30 and 22,237.47

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Solution

The fourth proportional to 40,384.62, 55,731.30 and 22,237.47 is: 30,688.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,384.62 : 55,731.30 = 22,237.47 : x
  2. Step 2: Convert to fraction form
    40,384.62/55,731.30 = 22,237.47/x
  3. Step 3: Cross multiply
    40,384.62x = 55,731.30 × 22,237.47
  4. Step 4: Simplify right side
    40,384.62x = 1,239,323,111.81
  5. Step 5: Solve for x
    x = 1,239,323,111.81/40,384.62
  6. Step 6: Final answer
    x = 30,688.00

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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.