Home / 40,233.56-60,326.80-12,145.19

Finding the Fourth Proportional to 40,233.56, 60,326.80 and 12,145.19

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Solution

The fourth proportional to 40,233.56, 60,326.80 and 12,145.19 is: 18,210.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,233.56 : 60,326.80 = 12,145.19 : x
  2. Step 2: Convert to fraction form
    40,233.56/60,326.80 = 12,145.19/x
  3. Step 3: Cross multiply
    40,233.56x = 60,326.80 × 12,145.19
  4. Step 4: Simplify right side
    40,233.56x = 732,680,116.10
  5. Step 5: Solve for x
    x = 732,680,116.10/40,233.56
  6. Step 6: Final answer
    x = 18,210.67

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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.