Home / 45,277.80-67,916.72-15,695.64

Finding the Fourth Proportional to 45,277.80, 67,916.72 and 15,695.64

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Solution

The fourth proportional to 45,277.80, 67,916.72 and 15,695.64 is: 23,543.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,277.80 : 67,916.72 = 15,695.64 : x
  2. Step 2: Convert to fraction form
    45,277.80/67,916.72 = 15,695.64/x
  3. Step 3: Cross multiply
    45,277.80x = 67,916.72 × 15,695.64
  4. Step 4: Simplify right side
    45,277.80x = 1,065,996,387.10
  5. Step 5: Solve for x
    x = 1,065,996,387.10/45,277.80
  6. Step 6: Final answer
    x = 23,543.47

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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.