Home / 47,142.87-65,038.57-26,988.85

Finding the Fourth Proportional to 47,142.87, 65,038.57 and 26,988.85

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Solution

The fourth proportional to 47,142.87, 65,038.57 and 26,988.85 is: 37,233.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,142.87 : 65,038.57 = 26,988.85 : x
  2. Step 2: Convert to fraction form
    47,142.87/65,038.57 = 26,988.85/x
  3. Step 3: Cross multiply
    47,142.87x = 65,038.57 × 26,988.85
  4. Step 4: Simplify right side
    47,142.87x = 1,755,316,209.94
  5. Step 5: Solve for x
    x = 1,755,316,209.94/47,142.87
  6. Step 6: Final answer
    x = 37,233.97

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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.