Home / 42,972.36-64,472.20-27,275.16

Finding the Fourth Proportional to 42,972.36, 64,472.20 and 27,275.16

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Solution

The fourth proportional to 42,972.36, 64,472.20 and 27,275.16 is: 40,921.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,972.36 : 64,472.20 = 27,275.16 : x
  2. Step 2: Convert to fraction form
    42,972.36/64,472.20 = 27,275.16/x
  3. Step 3: Cross multiply
    42,972.36x = 64,472.20 × 27,275.16
  4. Step 4: Simplify right side
    42,972.36x = 1,758,489,570.55
  5. Step 5: Solve for x
    x = 1,758,489,570.55/42,972.36
  6. Step 6: Final answer
    x = 40,921.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.