Home / 31,225.09-43,088.03-17,612.39

Finding the Fourth Proportional to 31,225.09, 43,088.03 and 17,612.39

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Solution

The fourth proportional to 31,225.09, 43,088.03 and 17,612.39 is: 24,303.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,225.09 : 43,088.03 = 17,612.39 : x
  2. Step 2: Convert to fraction form
    31,225.09/43,088.03 = 17,612.39/x
  3. Step 3: Cross multiply
    31,225.09x = 43,088.03 × 17,612.39
  4. Step 4: Simplify right side
    31,225.09x = 758,882,929.22
  5. Step 5: Solve for x
    x = 758,882,929.22/31,225.09
  6. Step 6: Final answer
    x = 24,303.62

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Half scale
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Double scale
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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.