Home / 38,931.12-53,725.06-22,581.50

Finding the Fourth Proportional to 38,931.12, 53,725.06 and 22,581.50

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Solution

The fourth proportional to 38,931.12, 53,725.06 and 22,581.50 is: 31,162.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,931.12 : 53,725.06 = 22,581.50 : x
  2. Step 2: Convert to fraction form
    38,931.12/53,725.06 = 22,581.50/x
  3. Step 3: Cross multiply
    38,931.12x = 53,725.06 × 22,581.50
  4. Step 4: Simplify right side
    38,931.12x = 1,213,192,442.39
  5. Step 5: Solve for x
    x = 1,213,192,442.39/38,931.12
  6. Step 6: Final answer
    x = 31,162.54

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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.