Home / 48,006.20-72,009.30-42,951.80

Finding the Fourth Proportional to 48,006.20, 72,009.30 and 42,951.80

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Solution

The fourth proportional to 48,006.20, 72,009.30 and 42,951.80 is: 64,427.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,006.20 : 72,009.30 = 42,951.80 : x
  2. Step 2: Convert to fraction form
    48,006.20/72,009.30 = 42,951.80/x
  3. Step 3: Cross multiply
    48,006.20x = 72,009.30 × 42,951.80
  4. Step 4: Simplify right side
    48,006.20x = 3,092,929,051.74
  5. Step 5: Solve for x
    x = 3,092,929,051.74/48,006.20
  6. Step 6: Final answer
    x = 64,427.70

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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.