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Finding the Fourth Proportional to 60,249.63, 90,430.51 and 30,689.60

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Solution

The fourth proportional to 60,249.63, 90,430.51 and 30,689.60 is: 46,062.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,249.63 : 90,430.51 = 30,689.60 : x
  2. Step 2: Convert to fraction form
    60,249.63/90,430.51 = 30,689.60/x
  3. Step 3: Cross multiply
    60,249.63x = 90,430.51 × 30,689.60
  4. Step 4: Simplify right side
    60,249.63x = 2,775,275,650.82
  5. Step 5: Solve for x
    x = 2,775,275,650.82/60,249.63
  6. Step 6: Final answer
    x = 46,062.95

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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.