Home / 38,478.23-53,082.60-22,555.96

Finding the Fourth Proportional to 38,478.23, 53,082.60 and 22,555.96

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Solution

The fourth proportional to 38,478.23, 53,082.60 and 22,555.96 is: 31,117.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,478.23 : 53,082.60 = 22,555.96 : x
  2. Step 2: Convert to fraction form
    38,478.23/53,082.60 = 22,555.96/x
  3. Step 3: Cross multiply
    38,478.23x = 53,082.60 × 22,555.96
  4. Step 4: Simplify right side
    38,478.23x = 1,197,329,002.30
  5. Step 5: Solve for x
    x = 1,197,329,002.30/38,478.23
  6. Step 6: Final answer
    x = 31,117.05

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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.