Home / 61,394.12-84,731.38-34,537.76

Finding the Fourth Proportional to 61,394.12, 84,731.38 and 34,537.76

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Solution

The fourth proportional to 61,394.12, 84,731.38 and 34,537.76 is: 47,666.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,394.12 : 84,731.38 = 34,537.76 : x
  2. Step 2: Convert to fraction form
    61,394.12/84,731.38 = 34,537.76/x
  3. Step 3: Cross multiply
    61,394.12x = 84,731.38 × 34,537.76
  4. Step 4: Simplify right side
    61,394.12x = 2,926,432,066.91
  5. Step 5: Solve for x
    x = 2,926,432,066.91/61,394.12
  6. Step 6: Final answer
    x = 47,666.32

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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.