Home / 48,385.40-72,482.10-42,612.60

Finding the Fourth Proportional to 48,385.40, 72,482.10 and 42,612.60

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Solution

The fourth proportional to 48,385.40, 72,482.10 and 42,612.60 is: 63,834.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,385.40 : 72,482.10 = 42,612.60 : x
  2. Step 2: Convert to fraction form
    48,385.40/72,482.10 = 42,612.60/x
  3. Step 3: Cross multiply
    48,385.40x = 72,482.10 × 42,612.60
  4. Step 4: Simplify right side
    48,385.40x = 3,088,650,734.46
  5. Step 5: Solve for x
    x = 3,088,650,734.46/48,385.40
  6. Step 6: Final answer
    x = 63,834.35

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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.