Home / 52,920.32-79,381.29-13,478.18

Finding the Fourth Proportional to 52,920.32, 79,381.29 and 13,478.18

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Solution

The fourth proportional to 52,920.32, 79,381.29 and 13,478.18 is: 20,217.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,920.32 : 79,381.29 = 13,478.18 : x
  2. Step 2: Convert to fraction form
    52,920.32/79,381.29 = 13,478.18/x
  3. Step 3: Cross multiply
    52,920.32x = 79,381.29 × 13,478.18
  4. Step 4: Simplify right side
    52,920.32x = 1,069,915,315.25
  5. Step 5: Solve for x
    x = 1,069,915,315.25/52,920.32
  6. Step 6: Final answer
    x = 20,217.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.