Home / 42,730.56-64,055.52-15,013.44

Finding the Fourth Proportional to 42,730.56, 64,055.52 and 15,013.44

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Solution

The fourth proportional to 42,730.56, 64,055.52 and 15,013.44 is: 22,505.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,730.56 : 64,055.52 = 15,013.44 : x
  2. Step 2: Convert to fraction form
    42,730.56/64,055.52 = 15,013.44/x
  3. Step 3: Cross multiply
    42,730.56x = 64,055.52 × 15,013.44
  4. Step 4: Simplify right side
    42,730.56x = 961,693,706.19
  5. Step 5: Solve for x
    x = 961,693,706.19/42,730.56
  6. Step 6: Final answer
    x = 22,505.99

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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.