Home / 40,056.12-55,275.21-22,149.93

Finding the Fourth Proportional to 40,056.12, 55,275.21 and 22,149.93

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Solution

The fourth proportional to 40,056.12, 55,275.21 and 22,149.93 is: 30,565.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,056.12 : 55,275.21 = 22,149.93 : x
  2. Step 2: Convert to fraction form
    40,056.12/55,275.21 = 22,149.93/x
  3. Step 3: Cross multiply
    40,056.12x = 55,275.21 × 22,149.93
  4. Step 4: Simplify right side
    40,056.12x = 1,224,342,032.24
  5. Step 5: Solve for x
    x = 1,224,342,032.24/40,056.12
  6. Step 6: Final answer
    x = 30,565.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.