Home / 52,740.79-72,778.64-30,080.75

Finding the Fourth Proportional to 52,740.79, 72,778.64 and 30,080.75

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Solution

The fourth proportional to 52,740.79, 72,778.64 and 30,080.75 is: 41,509.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,740.79 : 72,778.64 = 30,080.75 : x
  2. Step 2: Convert to fraction form
    52,740.79/72,778.64 = 30,080.75/x
  3. Step 3: Cross multiply
    52,740.79x = 72,778.64 × 30,080.75
  4. Step 4: Simplify right side
    52,740.79x = 2,189,235,560.88
  5. Step 5: Solve for x
    x = 2,189,235,560.88/52,740.79
  6. Step 6: Final answer
    x = 41,509.35

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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.