Home / 35,931.29-53,897.25-12,557.79

Finding the Fourth Proportional to 35,931.29, 53,897.25 and 12,557.79

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Solution

The fourth proportional to 35,931.29, 53,897.25 and 12,557.79 is: 18,836.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,931.29 : 53,897.25 = 12,557.79 : x
  2. Step 2: Convert to fraction form
    35,931.29/53,897.25 = 12,557.79/x
  3. Step 3: Cross multiply
    35,931.29x = 53,897.25 × 12,557.79
  4. Step 4: Simplify right side
    35,931.29x = 676,830,347.08
  5. Step 5: Solve for x
    x = 676,830,347.08/35,931.29
  6. Step 6: Final answer
    x = 18,836.80

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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.