Home / 40,568.19-60,858.09-12,490.62

Finding the Fourth Proportional to 40,568.19, 60,858.09 and 12,490.62

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Solution

The fourth proportional to 40,568.19, 60,858.09 and 12,490.62 is: 18,737.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,568.19 : 60,858.09 = 12,490.62 : x
  2. Step 2: Convert to fraction form
    40,568.19/60,858.09 = 12,490.62/x
  3. Step 3: Cross multiply
    40,568.19x = 60,858.09 × 12,490.62
  4. Step 4: Simplify right side
    40,568.19x = 760,155,276.12
  5. Step 5: Solve for x
    x = 760,155,276.12/40,568.19
  6. Step 6: Final answer
    x = 18,737.72

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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.