Home / 54,089.03-74,646.90-31,125.89

Finding the Fourth Proportional to 54,089.03, 74,646.90 and 31,125.89

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Solution

The fourth proportional to 54,089.03, 74,646.90 and 31,125.89 is: 42,956.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,089.03 : 74,646.90 = 31,125.89 : x
  2. Step 2: Convert to fraction form
    54,089.03/74,646.90 = 31,125.89/x
  3. Step 3: Cross multiply
    54,089.03x = 74,646.90 × 31,125.89
  4. Step 4: Simplify right side
    54,089.03x = 2,323,450,669.38
  5. Step 5: Solve for x
    x = 2,323,450,669.38/54,089.03
  6. Step 6: Final answer
    x = 42,956.05

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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.