Home / 53,131.79-73,324.14-30,477.17

Finding the Fourth Proportional to 53,131.79, 73,324.14 and 30,477.17

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Solution

The fourth proportional to 53,131.79, 73,324.14 and 30,477.17 is: 42,059.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,131.79 : 73,324.14 = 30,477.17 : x
  2. Step 2: Convert to fraction form
    53,131.79/73,324.14 = 30,477.17/x
  3. Step 3: Cross multiply
    53,131.79x = 73,324.14 × 30,477.17
  4. Step 4: Simplify right side
    53,131.79x = 2,234,712,348.90
  5. Step 5: Solve for x
    x = 2,234,712,348.90/53,131.79
  6. Step 6: Final answer
    x = 42,059.80

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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.