Home / 56,817.77-78,409.07-31,325.15

Finding the Fourth Proportional to 56,817.77, 78,409.07 and 31,325.15

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Solution

The fourth proportional to 56,817.77, 78,409.07 and 31,325.15 is: 43,229.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,817.77 : 78,409.07 = 31,325.15 : x
  2. Step 2: Convert to fraction form
    56,817.77/78,409.07 = 31,325.15/x
  3. Step 3: Cross multiply
    56,817.77x = 78,409.07 × 31,325.15
  4. Step 4: Simplify right side
    56,817.77x = 2,456,175,330.44
  5. Step 5: Solve for x
    x = 2,456,175,330.44/56,817.77
  6. Step 6: Final answer
    x = 43,229.00

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1.5x scale

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.