Home / 39,225.96-54,130.50-22,455.72

Finding the Fourth Proportional to 39,225.96, 54,130.50 and 22,455.72

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Solution

The fourth proportional to 39,225.96, 54,130.50 and 22,455.72 is: 30,988.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,225.96 : 54,130.50 = 22,455.72 : x
  2. Step 2: Convert to fraction form
    39,225.96/54,130.50 = 22,455.72/x
  3. Step 3: Cross multiply
    39,225.96x = 54,130.50 × 22,455.72
  4. Step 4: Simplify right side
    39,225.96x = 1,215,539,351.46
  5. Step 5: Solve for x
    x = 1,215,539,351.46/39,225.96
  6. Step 6: Final answer
    x = 30,988.14

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Double scale
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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.