Home / 54,487.49-75,192.80-30,614.15

Finding the Fourth Proportional to 54,487.49, 75,192.80 and 30,614.15

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Solution

The fourth proportional to 54,487.49, 75,192.80 and 30,614.15 is: 42,247.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,487.49 : 75,192.80 = 30,614.15 : x
  2. Step 2: Convert to fraction form
    54,487.49/75,192.80 = 30,614.15/x
  3. Step 3: Cross multiply
    54,487.49x = 75,192.80 × 30,614.15
  4. Step 4: Simplify right side
    54,487.49x = 2,301,963,658.12
  5. Step 5: Solve for x
    x = 2,301,963,658.12/54,487.49
  6. Step 6: Final answer
    x = 42,247.56

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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.