Home / 45,132.50-62,226.32-28,971.30

Finding the Fourth Proportional to 45,132.50, 62,226.32 and 28,971.30

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Solution

The fourth proportional to 45,132.50, 62,226.32 and 28,971.30 is: 39,944.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,132.50 : 62,226.32 = 28,971.30 : x
  2. Step 2: Convert to fraction form
    45,132.50/62,226.32 = 28,971.30/x
  3. Step 3: Cross multiply
    45,132.50x = 62,226.32 × 28,971.30
  4. Step 4: Simplify right side
    45,132.50x = 1,802,777,457.04
  5. Step 5: Solve for x
    x = 1,802,777,457.04/45,132.50
  6. Step 6: Final answer
    x = 39,944.11

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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.