Home / 61,438.55-92,157.21-28,149.17

Finding the Fourth Proportional to 61,438.55, 92,157.21 and 28,149.17

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Solution

The fourth proportional to 61,438.55, 92,157.21 and 28,149.17 is: 42,223.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,438.55 : 92,157.21 = 28,149.17 : x
  2. Step 2: Convert to fraction form
    61,438.55/92,157.21 = 28,149.17/x
  3. Step 3: Cross multiply
    61,438.55x = 92,157.21 × 28,149.17
  4. Step 4: Simplify right side
    61,438.55x = 2,594,148,510.23
  5. Step 5: Solve for x
    x = 2,594,148,510.23/61,438.55
  6. Step 6: Final answer
    x = 42,223.47

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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.