Home / 60,435.32-90,669.38-18,313.70

Finding the Fourth Proportional to 60,435.32, 90,669.38 and 18,313.70

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Solution

The fourth proportional to 60,435.32, 90,669.38 and 18,313.70 is: 27,475.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,435.32 : 90,669.38 = 18,313.70 : x
  2. Step 2: Convert to fraction form
    60,435.32/90,669.38 = 18,313.70/x
  3. Step 3: Cross multiply
    60,435.32x = 90,669.38 × 18,313.70
  4. Step 4: Simplify right side
    60,435.32x = 1,660,491,279.59
  5. Step 5: Solve for x
    x = 1,660,491,279.59/60,435.32
  6. Step 6: Final answer
    x = 27,475.51

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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.