Home / 52,740.80-72,778.64-30,080.74

Finding the Fourth Proportional to 52,740.80, 72,778.64 and 30,080.74

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Solution

The fourth proportional to 52,740.80, 72,778.64 and 30,080.74 is: 41,509.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,740.80 : 72,778.64 = 30,080.74 : x
  2. Step 2: Convert to fraction form
    52,740.80/72,778.64 = 30,080.74/x
  3. Step 3: Cross multiply
    52,740.80x = 72,778.64 × 30,080.74
  4. Step 4: Simplify right side
    52,740.80x = 2,189,235,347.39
  5. Step 5: Solve for x
    x = 2,189,235,347.39/52,740.80
  6. Step 6: Final answer
    x = 41,509.33

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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.