Home / 35,987.90-54,006.48-12,614.40

Finding the Fourth Proportional to 35,987.90, 54,006.48 and 12,614.40

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Solution

The fourth proportional to 35,987.90, 54,006.48 and 12,614.40 is: 18,930.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,987.90 : 54,006.48 = 12,614.40 : x
  2. Step 2: Convert to fraction form
    35,987.90/54,006.48 = 12,614.40/x
  3. Step 3: Cross multiply
    35,987.90x = 54,006.48 × 12,614.40
  4. Step 4: Simplify right side
    35,987.90x = 681,259,341.31
  5. Step 5: Solve for x
    x = 681,259,341.31/35,987.90
  6. Step 6: Final answer
    x = 18,930.24

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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.