Home / 56,644.74-78,170.65-31,152.22

Finding the Fourth Proportional to 56,644.74, 78,170.65 and 31,152.22

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Solution

The fourth proportional to 56,644.74, 78,170.65 and 31,152.22 is: 42,990.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,644.74 : 78,170.65 = 31,152.22 : x
  2. Step 2: Convert to fraction form
    56,644.74/78,170.65 = 31,152.22/x
  3. Step 3: Cross multiply
    56,644.74x = 78,170.65 × 31,152.22
  4. Step 4: Simplify right side
    56,644.74x = 2,435,189,130.58
  5. Step 5: Solve for x
    x = 2,435,189,130.58/56,644.74
  6. Step 6: Final answer
    x = 42,990.56

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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.