Home / 47,246.20-70,869.30-42,407.80

Finding the Fourth Proportional to 47,246.20, 70,869.30 and 42,407.80

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Solution

The fourth proportional to 47,246.20, 70,869.30 and 42,407.80 is: 63,611.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,246.20 : 70,869.30 = 42,407.80 : x
  2. Step 2: Convert to fraction form
    47,246.20/70,869.30 = 42,407.80/x
  3. Step 3: Cross multiply
    47,246.20x = 70,869.30 × 42,407.80
  4. Step 4: Simplify right side
    47,246.20x = 3,005,411,100.54
  5. Step 5: Solve for x
    x = 3,005,411,100.54/47,246.20
  6. Step 6: Final answer
    x = 63,611.70

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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.