Home / 57,990.12-80,050.86-39,152.76

Finding the Fourth Proportional to 57,990.12, 80,050.86 and 39,152.76

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Solution

The fourth proportional to 57,990.12, 80,050.86 and 39,152.76 is: 54,047.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,990.12 : 80,050.86 = 39,152.76 : x
  2. Step 2: Convert to fraction form
    57,990.12/80,050.86 = 39,152.76/x
  3. Step 3: Cross multiply
    57,990.12x = 80,050.86 × 39,152.76
  4. Step 4: Simplify right side
    57,990.12x = 3,134,212,109.37
  5. Step 5: Solve for x
    x = 3,134,212,109.37/57,990.12
  6. Step 6: Final answer
    x = 54,047.35

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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.