Home / 40,148.91-55,403.87-22,244.67

Finding the Fourth Proportional to 40,148.91, 55,403.87 and 22,244.67

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Solution

The fourth proportional to 40,148.91, 55,403.87 and 22,244.67 is: 30,696.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,148.91 : 55,403.87 = 22,244.67 : x
  2. Step 2: Convert to fraction form
    40,148.91/55,403.87 = 22,244.67/x
  3. Step 3: Cross multiply
    40,148.91x = 55,403.87 × 22,244.67
  4. Step 4: Simplify right side
    40,148.91x = 1,232,440,693.65
  5. Step 5: Solve for x
    x = 1,232,440,693.65/40,148.91
  6. Step 6: Final answer
    x = 30,696.74

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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.