Home / 47,800.56-71,490.96-42,572.40

Finding the Fourth Proportional to 47,800.56, 71,490.96 and 42,572.40

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Solution

The fourth proportional to 47,800.56, 71,490.96 and 42,572.40 is: 63,671.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,800.56 : 71,490.96 = 42,572.40 : x
  2. Step 2: Convert to fraction form
    47,800.56/71,490.96 = 42,572.40/x
  3. Step 3: Cross multiply
    47,800.56x = 71,490.96 × 42,572.40
  4. Step 4: Simplify right side
    47,800.56x = 3,043,541,745.50
  5. Step 5: Solve for x
    x = 3,043,541,745.50/47,800.56
  6. Step 6: Final answer
    x = 63,671.68

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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.