Home / 41,018.16-61,484.04-21,275.76

Finding the Fourth Proportional to 41,018.16, 61,484.04 and 21,275.76

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Solution

The fourth proportional to 41,018.16, 61,484.04 and 21,275.76 is: 31,891.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,018.16 : 61,484.04 = 21,275.76 : x
  2. Step 2: Convert to fraction form
    41,018.16/61,484.04 = 21,275.76/x
  3. Step 3: Cross multiply
    41,018.16x = 61,484.04 × 21,275.76
  4. Step 4: Simplify right side
    41,018.16x = 1,308,119,678.87
  5. Step 5: Solve for x
    x = 1,308,119,678.87/41,018.16
  6. Step 6: Final answer
    x = 31,891.23

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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.