Home / 43,589.57-60,138.13-28,490.95

Finding the Fourth Proportional to 43,589.57, 60,138.13 and 28,490.95

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Solution

The fourth proportional to 43,589.57, 60,138.13 and 28,490.95 is: 39,307.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,589.57 : 60,138.13 = 28,490.95 : x
  2. Step 2: Convert to fraction form
    43,589.57/60,138.13 = 28,490.95/x
  3. Step 3: Cross multiply
    43,589.57x = 60,138.13 × 28,490.95
  4. Step 4: Simplify right side
    43,589.57x = 1,713,392,336.49
  5. Step 5: Solve for x
    x = 1,713,392,336.49/43,589.57
  6. Step 6: Final answer
    x = 39,307.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.