Home / 48,400.64-72,605.60-18,820.80

Finding the Fourth Proportional to 48,400.64, 72,605.60 and 18,820.80

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Solution

The fourth proportional to 48,400.64, 72,605.60 and 18,820.80 is: 28,233.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,400.64 : 72,605.60 = 18,820.80 : x
  2. Step 2: Convert to fraction form
    48,400.64/72,605.60 = 18,820.80/x
  3. Step 3: Cross multiply
    48,400.64x = 72,605.60 × 18,820.80
  4. Step 4: Simplify right side
    48,400.64x = 1,366,495,476.48
  5. Step 5: Solve for x
    x = 1,366,495,476.48/48,400.64
  6. Step 6: Final answer
    x = 28,233.00

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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.