Home / 61,189.68-84,438.36-34,329.72

Finding the Fourth Proportional to 61,189.68, 84,438.36 and 34,329.72

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Solution

The fourth proportional to 61,189.68, 84,438.36 and 34,329.72 is: 47,373.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,189.68 : 84,438.36 = 34,329.72 : x
  2. Step 2: Convert to fraction form
    61,189.68/84,438.36 = 34,329.72/x
  3. Step 3: Cross multiply
    61,189.68x = 84,438.36 × 34,329.72
  4. Step 4: Simplify right side
    61,189.68x = 2,898,745,256.06
  5. Step 5: Solve for x
    x = 2,898,745,256.06/61,189.68
  6. Step 6: Final answer
    x = 47,373.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.