Home / 55,770.13-76,960.14-30,275.92

Finding the Fourth Proportional to 55,770.13, 76,960.14 and 30,275.92

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Solution

The fourth proportional to 55,770.13, 76,960.14 and 30,275.92 is: 41,779.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,770.13 : 76,960.14 = 30,275.92 : x
  2. Step 2: Convert to fraction form
    55,770.13/76,960.14 = 30,275.92/x
  3. Step 3: Cross multiply
    55,770.13x = 76,960.14 × 30,275.92
  4. Step 4: Simplify right side
    55,770.13x = 2,330,039,041.83
  5. Step 5: Solve for x
    x = 2,330,039,041.83/55,770.13
  6. Step 6: Final answer
    x = 41,779.34

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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.