Home / 55,630.12-76,766.34-30,475.24

Finding the Fourth Proportional to 55,630.12, 76,766.34 and 30,475.24

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Solution

The fourth proportional to 55,630.12, 76,766.34 and 30,475.24 is: 42,054.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,630.12 : 76,766.34 = 30,475.24 : x
  2. Step 2: Convert to fraction form
    55,630.12/76,766.34 = 30,475.24/x
  3. Step 3: Cross multiply
    55,630.12x = 76,766.34 × 30,475.24
  4. Step 4: Simplify right side
    55,630.12x = 2,339,472,635.42
  5. Step 5: Solve for x
    x = 2,339,472,635.42/55,630.12
  6. Step 6: Final answer
    x = 42,054.06

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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.