Home / 56,302.25-77,696.70-30,808.13

Finding the Fourth Proportional to 56,302.25, 77,696.70 and 30,808.13

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Solution

The fourth proportional to 56,302.25, 77,696.70 and 30,808.13 is: 42,515.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,302.25 : 77,696.70 = 30,808.13 : x
  2. Step 2: Convert to fraction form
    56,302.25/77,696.70 = 30,808.13/x
  3. Step 3: Cross multiply
    56,302.25x = 77,696.70 × 30,808.13
  4. Step 4: Simplify right side
    56,302.25x = 2,393,690,228.41
  5. Step 5: Solve for x
    x = 2,393,690,228.41/56,302.25
  6. Step 6: Final answer
    x = 42,515.00

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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.