Home / 40,488.32-60,788.28-27,977.36

Finding the Fourth Proportional to 40,488.32, 60,788.28 and 27,977.36

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Solution

The fourth proportional to 40,488.32, 60,788.28 and 27,977.36 is: 42,004.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,488.32 : 60,788.28 = 27,977.36 : x
  2. Step 2: Convert to fraction form
    40,488.32/60,788.28 = 27,977.36/x
  3. Step 3: Cross multiply
    40,488.32x = 60,788.28 × 27,977.36
  4. Step 4: Simplify right side
    40,488.32x = 1,700,695,593.34
  5. Step 5: Solve for x
    x = 1,700,695,593.34/40,488.32
  6. Step 6: Final answer
    x = 42,004.60

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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.