Home / 40,368.09-60,555.24-12,290.55

Finding the Fourth Proportional to 40,368.09, 60,555.24 and 12,290.55

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Solution

The fourth proportional to 40,368.09, 60,555.24 and 12,290.55 is: 18,436.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,368.09 : 60,555.24 = 12,290.55 : x
  2. Step 2: Convert to fraction form
    40,368.09/60,555.24 = 12,290.55/x
  3. Step 3: Cross multiply
    40,368.09x = 60,555.24 × 12,290.55
  4. Step 4: Simplify right side
    40,368.09x = 744,257,325.64
  5. Step 5: Solve for x
    x = 744,257,325.64/40,368.09
  6. Step 6: Final answer
    x = 18,436.77

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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.