Home / 42,639.55-64,024.93-38,003.11

Finding the Fourth Proportional to 42,639.55, 64,024.93 and 38,003.11

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Solution

The fourth proportional to 42,639.55, 64,024.93 and 38,003.11 is: 57,063.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,639.55 : 64,024.93 = 38,003.11 : x
  2. Step 2: Convert to fraction form
    42,639.55/64,024.93 = 38,003.11/x
  3. Step 3: Cross multiply
    42,639.55x = 64,024.93 × 38,003.11
  4. Step 4: Simplify right side
    42,639.55x = 2,433,146,457.53
  5. Step 5: Solve for x
    x = 2,433,146,457.53/42,639.55
  6. Step 6: Final answer
    x = 57,063.14

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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.