Home / 56,434.08-77,877.84-31,283.04

Finding the Fourth Proportional to 56,434.08, 77,877.84 and 31,283.04

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Solution

The fourth proportional to 56,434.08, 77,877.84 and 31,283.04 is: 43,169.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,434.08 : 77,877.84 = 31,283.04 : x
  2. Step 2: Convert to fraction form
    56,434.08/77,877.84 = 31,283.04/x
  3. Step 3: Cross multiply
    56,434.08x = 77,877.84 × 31,283.04
  4. Step 4: Simplify right side
    56,434.08x = 2,436,255,583.83
  5. Step 5: Solve for x
    x = 2,436,255,583.83/56,434.08
  6. Step 6: Final answer
    x = 43,169.94

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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.