Home / 45,627.08-62,988.18-30,800.84

Finding the Fourth Proportional to 45,627.08, 62,988.18 and 30,800.84

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Solution

The fourth proportional to 45,627.08, 62,988.18 and 30,800.84 is: 42,520.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,627.08 : 62,988.18 = 30,800.84 : x
  2. Step 2: Convert to fraction form
    45,627.08/62,988.18 = 30,800.84/x
  3. Step 3: Cross multiply
    45,627.08x = 62,988.18 × 30,800.84
  4. Step 4: Simplify right side
    45,627.08x = 1,940,088,854.07
  5. Step 5: Solve for x
    x = 1,940,088,854.07/45,627.08
  6. Step 6: Final answer
    x = 42,520.56

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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.