Home / 47,332.40-70,912.20-28,842.80

Finding the Fourth Proportional to 47,332.40, 70,912.20 and 28,842.80

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Solution

The fourth proportional to 47,332.40, 70,912.20 and 28,842.80 is: 43,211.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,332.40 : 70,912.20 = 28,842.80 : x
  2. Step 2: Convert to fraction form
    47,332.40/70,912.20 = 28,842.80/x
  3. Step 3: Cross multiply
    47,332.40x = 70,912.20 × 28,842.80
  4. Step 4: Simplify right side
    47,332.40x = 2,045,306,402.16
  5. Step 5: Solve for x
    x = 2,045,306,402.16/47,332.40
  6. Step 6: Final answer
    x = 43,211.55

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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.