Home / 47,280.60-70,916.10-16,115.40

Finding the Fourth Proportional to 47,280.60, 70,916.10 and 16,115.40

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Solution

The fourth proportional to 47,280.60, 70,916.10 and 16,115.40 is: 24,171.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,280.60 : 70,916.10 = 16,115.40 : x
  2. Step 2: Convert to fraction form
    47,280.60/70,916.10 = 16,115.40/x
  3. Step 3: Cross multiply
    47,280.60x = 70,916.10 × 16,115.40
  4. Step 4: Simplify right side
    47,280.60x = 1,142,841,317.94
  5. Step 5: Solve for x
    x = 1,142,841,317.94/47,280.60
  6. Step 6: Final answer
    x = 24,171.46

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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.