Home / 41,210.35-61,812.11-13,129.27

Finding the Fourth Proportional to 41,210.35, 61,812.11 and 13,129.27

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Solution

The fourth proportional to 41,210.35, 61,812.11 and 13,129.27 is: 19,692.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,210.35 : 61,812.11 = 13,129.27 : x
  2. Step 2: Convert to fraction form
    41,210.35/61,812.11 = 13,129.27/x
  3. Step 3: Cross multiply
    41,210.35x = 61,812.11 × 13,129.27
  4. Step 4: Simplify right side
    41,210.35x = 811,547,881.46
  5. Step 5: Solve for x
    x = 811,547,881.46/41,210.35
  6. Step 6: Final answer
    x = 19,692.82

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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.