Home / 52,101.18-71,899.53-28,228.50

Finding the Fourth Proportional to 52,101.18, 71,899.53 and 28,228.50

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Solution

The fourth proportional to 52,101.18, 71,899.53 and 28,228.50 is: 38,955.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,101.18 : 71,899.53 = 28,228.50 : x
  2. Step 2: Convert to fraction form
    52,101.18/71,899.53 = 28,228.50/x
  3. Step 3: Cross multiply
    52,101.18x = 71,899.53 × 28,228.50
  4. Step 4: Simplify right side
    52,101.18x = 2,029,615,882.61
  5. Step 5: Solve for x
    x = 2,029,615,882.61/52,101.18
  6. Step 6: Final answer
    x = 38,955.28

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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.