Home / 56,236.12-77,602.80-31,084

Finding the Fourth Proportional to 56,236.12, 77,602.80 and 31,084

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Solution

The fourth proportional to 56,236.12, 77,602.80 and 31,084 is: 42,894.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,236.12 : 77,602.80 = 31,084 : x
  2. Step 2: Convert to fraction form
    56,236.12/77,602.80 = 31,084/x
  3. Step 3: Cross multiply
    56,236.12x = 77,602.80 × 31,084
  4. Step 4: Simplify right side
    56,236.12x = 2,412,205,435.20
  5. Step 5: Solve for x
    x = 2,412,205,435.20/56,236.12
  6. Step 6: Final answer
    x = 42,894.24

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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.