Home / 56,476.32-77,934.72-31,325.28

Finding the Fourth Proportional to 56,476.32, 77,934.72 and 31,325.28

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Solution

The fourth proportional to 56,476.32, 77,934.72 and 31,325.28 is: 43,227.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,476.32 : 77,934.72 = 31,325.28 : x
  2. Step 2: Convert to fraction form
    56,476.32/77,934.72 = 31,325.28/x
  3. Step 3: Cross multiply
    56,476.32x = 77,934.72 × 31,325.28
  4. Step 4: Simplify right side
    56,476.32x = 2,441,326,925.72
  5. Step 5: Solve for x
    x = 2,441,326,925.72/56,476.32
  6. Step 6: Final answer
    x = 43,227.44

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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.