Home / 47,605.20-71,407.80-14,330.40

Finding the Fourth Proportional to 47,605.20, 71,407.80 and 14,330.40

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Solution

The fourth proportional to 47,605.20, 71,407.80 and 14,330.40 is: 21,495.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,605.20 : 71,407.80 = 14,330.40 : x
  2. Step 2: Convert to fraction form
    47,605.20/71,407.80 = 14,330.40/x
  3. Step 3: Cross multiply
    47,605.20x = 71,407.80 × 14,330.40
  4. Step 4: Simplify right side
    47,605.20x = 1,023,302,337.12
  5. Step 5: Solve for x
    x = 1,023,302,337.12/47,605.20
  6. Step 6: Final answer
    x = 21,495.60

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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.