Home / 42,701.88-58,911.66-28,532.28

Finding the Fourth Proportional to 42,701.88, 58,911.66 and 28,532.28

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Solution

The fourth proportional to 42,701.88, 58,911.66 and 28,532.28 is: 39,363.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,701.88 : 58,911.66 = 28,532.28 : x
  2. Step 2: Convert to fraction form
    42,701.88/58,911.66 = 28,532.28/x
  3. Step 3: Cross multiply
    42,701.88x = 58,911.66 × 28,532.28
  4. Step 4: Simplify right side
    42,701.88x = 1,680,883,978.38
  5. Step 5: Solve for x
    x = 1,680,883,978.38/42,701.88
  6. Step 6: Final answer
    x = 39,363.23

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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.