Home / 60,029.08-90,040.38-30,446.15

Finding the Fourth Proportional to 60,029.08, 90,040.38 and 30,446.15

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Solution

The fourth proportional to 60,029.08, 90,040.38 and 30,446.15 is: 45,667.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,029.08 : 90,040.38 = 30,446.15 : x
  2. Step 2: Convert to fraction form
    60,029.08/90,040.38 = 30,446.15/x
  3. Step 3: Cross multiply
    60,029.08x = 90,040.38 × 30,446.15
  4. Step 4: Simplify right side
    60,029.08x = 2,741,382,688.81
  5. Step 5: Solve for x
    x = 2,741,382,688.81/60,029.08
  6. Step 6: Final answer
    x = 45,667.58

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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.