Home / 87,853.51-131,779.10-21,294.24

Finding the Fourth Proportional to 87,853.51, 131,779.10 and 21,294.24

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Solution

The fourth proportional to 87,853.51, 131,779.10 and 21,294.24 is: 31,941.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,853.51 : 131,779.10 = 21,294.24 : x
  2. Step 2: Convert to fraction form
    87,853.51/131,779.10 = 21,294.24/x
  3. Step 3: Cross multiply
    87,853.51x = 131,779.10 × 21,294.24
  4. Step 4: Simplify right side
    87,853.51x = 2,806,136,082.71
  5. Step 5: Solve for x
    x = 2,806,136,082.71/87,853.51
  6. Step 6: Final answer
    x = 31,941.08

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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.