Home / 32,920.29-45,432.63-18,774.18

Finding the Fourth Proportional to 32,920.29, 45,432.63 and 18,774.18

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Solution

The fourth proportional to 32,920.29, 45,432.63 and 18,774.18 is: 25,909.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,920.29 : 45,432.63 = 18,774.18 : x
  2. Step 2: Convert to fraction form
    32,920.29/45,432.63 = 18,774.18/x
  3. Step 3: Cross multiply
    32,920.29x = 45,432.63 × 18,774.18
  4. Step 4: Simplify right side
    32,920.29x = 852,960,373.49
  5. Step 5: Solve for x
    x = 852,960,373.49/32,920.29
  6. Step 6: Final answer
    x = 25,909.87

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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.