Home / 35,814.78-49,411.80-22,381.20

Finding the Fourth Proportional to 35,814.78, 49,411.80 and 22,381.20

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Solution

The fourth proportional to 35,814.78, 49,411.80 and 22,381.20 is: 30,878.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,814.78 : 49,411.80 = 22,381.20 : x
  2. Step 2: Convert to fraction form
    35,814.78/49,411.80 = 22,381.20/x
  3. Step 3: Cross multiply
    35,814.78x = 49,411.80 × 22,381.20
  4. Step 4: Simplify right side
    35,814.78x = 1,105,895,378.16
  5. Step 5: Solve for x
    x = 1,105,895,378.16/35,814.78
  6. Step 6: Final answer
    x = 30,878.18

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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.