Home / 56,088.90-84,115.14-18,638.92

Finding the Fourth Proportional to 56,088.90, 84,115.14 and 18,638.92

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Solution

The fourth proportional to 56,088.90, 84,115.14 and 18,638.92 is: 27,952.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,088.90 : 84,115.14 = 18,638.92 : x
  2. Step 2: Convert to fraction form
    56,088.90/84,115.14 = 18,638.92/x
  3. Step 3: Cross multiply
    56,088.90x = 84,115.14 × 18,638.92
  4. Step 4: Simplify right side
    56,088.90x = 1,567,815,365.25
  5. Step 5: Solve for x
    x = 1,567,815,365.25/56,088.90
  6. Step 6: Final answer
    x = 27,952.33

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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.