Home / 40,177.76-60,266.16-19,386.56

Finding the Fourth Proportional to 40,177.76, 60,266.16 and 19,386.56

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Solution

The fourth proportional to 40,177.76, 60,266.16 and 19,386.56 is: 29,079.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,177.76 : 60,266.16 = 19,386.56 : x
  2. Step 2: Convert to fraction form
    40,177.76/60,266.16 = 19,386.56/x
  3. Step 3: Cross multiply
    40,177.76x = 60,266.16 × 19,386.56
  4. Step 4: Simplify right side
    40,177.76x = 1,168,353,526.81
  5. Step 5: Solve for x
    x = 1,168,353,526.81/40,177.76
  6. Step 6: Final answer
    x = 29,079.61

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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.