Home / 60,628.96-90,887.19-30,981.43

Finding the Fourth Proportional to 60,628.96, 90,887.19 and 30,981.43

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Solution

The fourth proportional to 60,628.96, 90,887.19 and 30,981.43 is: 46,443.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,628.96 : 90,887.19 = 30,981.43 : x
  2. Step 2: Convert to fraction form
    60,628.96/90,887.19 = 30,981.43/x
  3. Step 3: Cross multiply
    60,628.96x = 90,887.19 × 30,981.43
  4. Step 4: Simplify right side
    60,628.96x = 2,815,815,114.88
  5. Step 5: Solve for x
    x = 2,815,815,114.88/60,628.96
  6. Step 6: Final answer
    x = 46,443.40

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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.