Home / 32,971.28-45,499.32-18,631.71

Finding the Fourth Proportional to 32,971.28, 45,499.32 and 18,631.71

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Solution

The fourth proportional to 32,971.28, 45,499.32 and 18,631.71 is: 25,711.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,971.28 : 45,499.32 = 18,631.71 : x
  2. Step 2: Convert to fraction form
    32,971.28/45,499.32 = 18,631.71/x
  3. Step 3: Cross multiply
    32,971.28x = 45,499.32 × 18,631.71
  4. Step 4: Simplify right side
    32,971.28x = 847,730,135.44
  5. Step 5: Solve for x
    x = 847,730,135.44/32,971.28
  6. Step 6: Final answer
    x = 25,711.17

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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.