Home / 53,901.52-74,384.10-31,253.71

Finding the Fourth Proportional to 53,901.52, 74,384.10 and 31,253.71

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Solution

The fourth proportional to 53,901.52, 74,384.10 and 31,253.71 is: 43,130.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,901.52 : 74,384.10 = 31,253.71 : x
  2. Step 2: Convert to fraction form
    53,901.52/74,384.10 = 31,253.71/x
  3. Step 3: Cross multiply
    53,901.52x = 74,384.10 × 31,253.71
  4. Step 4: Simplify right side
    53,901.52x = 2,324,779,090.01
  5. Step 5: Solve for x
    x = 2,324,779,090.01/53,901.52
  6. Step 6: Final answer
    x = 43,130.12

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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.