Home / 32,718.23-45,145.71-19,287.62

Finding the Fourth Proportional to 32,718.23, 45,145.71 and 19,287.62

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Solution

The fourth proportional to 32,718.23, 45,145.71 and 19,287.62 is: 26,613.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,718.23 : 45,145.71 = 19,287.62 : x
  2. Step 2: Convert to fraction form
    32,718.23/45,145.71 = 19,287.62/x
  3. Step 3: Cross multiply
    32,718.23x = 45,145.71 × 19,287.62
  4. Step 4: Simplify right side
    32,718.23x = 870,753,073.38
  5. Step 5: Solve for x
    x = 870,753,073.38/32,718.23
  6. Step 6: Final answer
    x = 26,613.70

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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.