Home / 47,155.20-65,052.36-28,259.52

Finding the Fourth Proportional to 47,155.20, 65,052.36 and 28,259.52

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Solution

The fourth proportional to 47,155.20, 65,052.36 and 28,259.52 is: 38,985.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,155.20 : 65,052.36 = 28,259.52 : x
  2. Step 2: Convert to fraction form
    47,155.20/65,052.36 = 28,259.52/x
  3. Step 3: Cross multiply
    47,155.20x = 65,052.36 × 28,259.52
  4. Step 4: Simplify right side
    47,155.20x = 1,838,348,468.47
  5. Step 5: Solve for x
    x = 1,838,348,468.47/47,155.20
  6. Step 6: Final answer
    x = 38,985.06

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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.