Home / 42,655.65-63,995.10-13,072.83

Finding the Fourth Proportional to 42,655.65, 63,995.10 and 13,072.83

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Solution

The fourth proportional to 42,655.65, 63,995.10 and 13,072.83 is: 19,612.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,655.65 : 63,995.10 = 13,072.83 : x
  2. Step 2: Convert to fraction form
    42,655.65/63,995.10 = 13,072.83/x
  3. Step 3: Cross multiply
    42,655.65x = 63,995.10 × 13,072.83
  4. Step 4: Simplify right side
    42,655.65x = 836,597,063.13
  5. Step 5: Solve for x
    x = 836,597,063.13/42,655.65
  6. Step 6: Final answer
    x = 19,612.81

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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.