Home / 69,615.64-96,061.41-38,990.65

Finding the Fourth Proportional to 69,615.64, 96,061.41 and 38,990.65

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Solution

The fourth proportional to 69,615.64, 96,061.41 and 38,990.65 is: 53,802.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,615.64 : 96,061.41 = 38,990.65 : x
  2. Step 2: Convert to fraction form
    69,615.64/96,061.41 = 38,990.65/x
  3. Step 3: Cross multiply
    69,615.64x = 96,061.41 × 38,990.65
  4. Step 4: Simplify right side
    69,615.64x = 3,745,496,815.82
  5. Step 5: Solve for x
    x = 3,745,496,815.82/69,615.64
  6. Step 6: Final answer
    x = 53,802.52

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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.