Home / 67,298.78-92,871.15-39,007.10

Finding the Fourth Proportional to 67,298.78, 92,871.15 and 39,007.10

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Solution

The fourth proportional to 67,298.78, 92,871.15 and 39,007.10 is: 53,829.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,298.78 : 92,871.15 = 39,007.10 : x
  2. Step 2: Convert to fraction form
    67,298.78/92,871.15 = 39,007.10/x
  3. Step 3: Cross multiply
    67,298.78x = 92,871.15 × 39,007.10
  4. Step 4: Simplify right side
    67,298.78x = 3,622,634,235.17
  5. Step 5: Solve for x
    x = 3,622,634,235.17/67,298.78
  6. Step 6: Final answer
    x = 53,829.12

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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.