Home / 61,407.30-92,153.24-21,426.51

Finding the Fourth Proportional to 61,407.30, 92,153.24 and 21,426.51

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Solution

The fourth proportional to 61,407.30, 92,153.24 and 21,426.51 is: 32,154.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,407.30 : 92,153.24 = 21,426.51 : x
  2. Step 2: Convert to fraction form
    61,407.30/92,153.24 = 21,426.51/x
  3. Step 3: Cross multiply
    61,407.30x = 92,153.24 × 21,426.51
  4. Step 4: Simplify right side
    61,407.30x = 1,974,522,318.39
  5. Step 5: Solve for x
    x = 1,974,522,318.39/61,407.30
  6. Step 6: Final answer
    x = 32,154.52

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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.