Home / 47,708.40-71,562.60-28,025.40

Finding the Fourth Proportional to 47,708.40, 71,562.60 and 28,025.40

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Solution

The fourth proportional to 47,708.40, 71,562.60 and 28,025.40 is: 42,038.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,708.40 : 71,562.60 = 28,025.40 : x
  2. Step 2: Convert to fraction form
    47,708.40/71,562.60 = 28,025.40/x
  3. Step 3: Cross multiply
    47,708.40x = 71,562.60 × 28,025.40
  4. Step 4: Simplify right side
    47,708.40x = 2,005,570,490.04
  5. Step 5: Solve for x
    x = 2,005,570,490.04/47,708.40
  6. Step 6: Final answer
    x = 42,038.10

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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.