Home / 55,525.40-76,631.12-35,400.68

Finding the Fourth Proportional to 55,525.40, 76,631.12 and 35,400.68

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Solution

The fourth proportional to 55,525.40, 76,631.12 and 35,400.68 is: 48,856.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,525.40 : 76,631.12 = 35,400.68 : x
  2. Step 2: Convert to fraction form
    55,525.40/76,631.12 = 35,400.68/x
  3. Step 3: Cross multiply
    55,525.40x = 76,631.12 × 35,400.68
  4. Step 4: Simplify right side
    55,525.40x = 2,712,793,757.16
  5. Step 5: Solve for x
    x = 2,712,793,757.16/55,525.40
  6. Step 6: Final answer
    x = 48,856.81

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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.