Home / 73,011.12-109,549.80-30,902.64

Finding the Fourth Proportional to 73,011.12, 109,549.80 and 30,902.64

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Solution

The fourth proportional to 73,011.12, 109,549.80 and 30,902.64 is: 46,367.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,011.12 : 109,549.80 = 30,902.64 : x
  2. Step 2: Convert to fraction form
    73,011.12/109,549.80 = 30,902.64/x
  3. Step 3: Cross multiply
    73,011.12x = 109,549.80 × 30,902.64
  4. Step 4: Simplify right side
    73,011.12x = 3,385,378,031.47
  5. Step 5: Solve for x
    x = 3,385,378,031.47/73,011.12
  6. Step 6: Final answer
    x = 46,367.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.