Home / 40,709.16-61,058.88-11,129.58

Finding the Fourth Proportional to 40,709.16, 61,058.88 and 11,129.58

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Solution

The fourth proportional to 40,709.16, 61,058.88 and 11,129.58 is: 16,693.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,709.16 : 61,058.88 = 11,129.58 : x
  2. Step 2: Convert to fraction form
    40,709.16/61,058.88 = 11,129.58/x
  3. Step 3: Cross multiply
    40,709.16x = 61,058.88 × 11,129.58
  4. Step 4: Simplify right side
    40,709.16x = 679,559,689.67
  5. Step 5: Solve for x
    x = 679,559,689.67/40,709.16
  6. Step 6: Final answer
    x = 16,693.04

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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.