Home / 44,877.20-67,315.80-13,288.40

Finding the Fourth Proportional to 44,877.20, 67,315.80 and 13,288.40

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Solution

The fourth proportional to 44,877.20, 67,315.80 and 13,288.40 is: 19,932.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,877.20 : 67,315.80 = 13,288.40 : x
  2. Step 2: Convert to fraction form
    44,877.20/67,315.80 = 13,288.40/x
  3. Step 3: Cross multiply
    44,877.20x = 67,315.80 × 13,288.40
  4. Step 4: Simplify right side
    44,877.20x = 894,519,276.72
  5. Step 5: Solve for x
    x = 894,519,276.72/44,877.20
  6. Step 6: Final answer
    x = 19,932.60

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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.