Home / 61,158.42-91,746.13-21,706.15

Finding the Fourth Proportional to 61,158.42, 91,746.13 and 21,706.15

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Solution

The fourth proportional to 61,158.42, 91,746.13 and 21,706.15 is: 32,562.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,158.42 : 91,746.13 = 21,706.15 : x
  2. Step 2: Convert to fraction form
    61,158.42/91,746.13 = 21,706.15/x
  3. Step 3: Cross multiply
    61,158.42x = 91,746.13 × 21,706.15
  4. Step 4: Simplify right side
    61,158.42x = 1,991,455,259.70
  5. Step 5: Solve for x
    x = 1,991,455,259.70/61,158.42
  6. Step 6: Final answer
    x = 32,562.24

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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.