Home / 53,017.38-79,537.01-17,956.13

Finding the Fourth Proportional to 53,017.38, 79,537.01 and 17,956.13

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Solution

The fourth proportional to 53,017.38, 79,537.01 and 17,956.13 is: 26,937.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,017.38 : 79,537.01 = 17,956.13 : x
  2. Step 2: Convert to fraction form
    53,017.38/79,537.01 = 17,956.13/x
  3. Step 3: Cross multiply
    53,017.38x = 79,537.01 × 17,956.13
  4. Step 4: Simplify right side
    53,017.38x = 1,428,176,403.91
  5. Step 5: Solve for x
    x = 1,428,176,403.91/53,017.38
  6. Step 6: Final answer
    x = 26,937.89

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1.5x scale

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.