Home / 40,378.34-60,560.34-12,291.58

Finding the Fourth Proportional to 40,378.34, 60,560.34 and 12,291.58

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Solution

The fourth proportional to 40,378.34, 60,560.34 and 12,291.58 is: 18,435.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,378.34 : 60,560.34 = 12,291.58 : x
  2. Step 2: Convert to fraction form
    40,378.34/60,560.34 = 12,291.58/x
  3. Step 3: Cross multiply
    40,378.34x = 60,560.34 × 12,291.58
  4. Step 4: Simplify right side
    40,378.34x = 744,382,263.94
  5. Step 5: Solve for x
    x = 744,382,263.94/40,378.34
  6. Step 6: Final answer
    x = 18,435.19

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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.