Home / 61,115.40-84,337.63-34,259.65

Finding the Fourth Proportional to 61,115.40, 84,337.63 and 34,259.65

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Solution

The fourth proportional to 61,115.40, 84,337.63 and 34,259.65 is: 47,277.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,115.40 : 84,337.63 = 34,259.65 : x
  2. Step 2: Convert to fraction form
    61,115.40/84,337.63 = 34,259.65/x
  3. Step 3: Cross multiply
    61,115.40x = 84,337.63 × 34,259.65
  4. Step 4: Simplify right side
    61,115.40x = 2,889,377,389.14
  5. Step 5: Solve for x
    x = 2,889,377,389.14/61,115.40
  6. Step 6: Final answer
    x = 47,277.40

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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.