Home / 42,590.82-63,886.23-13,007.07

Finding the Fourth Proportional to 42,590.82, 63,886.23 and 13,007.07

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Solution

The fourth proportional to 42,590.82, 63,886.23 and 13,007.07 is: 19,510.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,590.82 : 63,886.23 = 13,007.07 : x
  2. Step 2: Convert to fraction form
    42,590.82/63,886.23 = 13,007.07/x
  3. Step 3: Cross multiply
    42,590.82x = 63,886.23 × 13,007.07
  4. Step 4: Simplify right side
    42,590.82x = 830,972,665.65
  5. Step 5: Solve for x
    x = 830,972,665.65/42,590.82
  6. Step 6: Final answer
    x = 19,510.61

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Similar ratio
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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.