Home / 29,492.81-40,699.82-20,545.28

Finding the Fourth Proportional to 29,492.81, 40,699.82 and 20,545.28

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Solution

The fourth proportional to 29,492.81, 40,699.82 and 20,545.28 is: 28,352.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,492.81 : 40,699.82 = 20,545.28 : x
  2. Step 2: Convert to fraction form
    29,492.81/40,699.82 = 20,545.28/x
  3. Step 3: Cross multiply
    29,492.81x = 40,699.82 × 20,545.28
  4. Step 4: Simplify right side
    29,492.81x = 836,188,891.62
  5. Step 5: Solve for x
    x = 836,188,891.62/29,492.81
  6. Step 6: Final answer
    x = 28,352.30

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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.