Home / 40,037.90-60,077.40-17,865.77

Finding the Fourth Proportional to 40,037.90, 60,077.40 and 17,865.77

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Solution

The fourth proportional to 40,037.90, 60,077.40 and 17,865.77 is: 26,807.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,037.90 : 60,077.40 = 17,865.77 : x
  2. Step 2: Convert to fraction form
    40,037.90/60,077.40 = 17,865.77/x
  3. Step 3: Cross multiply
    40,037.90x = 60,077.40 × 17,865.77
  4. Step 4: Simplify right side
    40,037.90x = 1,073,328,643.21
  5. Step 5: Solve for x
    x = 1,073,328,643.21/40,037.90
  6. Step 6: Final answer
    x = 26,807.82

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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.