Home / 38,972.40-53,781.66-23,056.56

Finding the Fourth Proportional to 38,972.40, 53,781.66 and 23,056.56

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Solution

The fourth proportional to 38,972.40, 53,781.66 and 23,056.56 is: 31,817.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,972.40 : 53,781.66 = 23,056.56 : x
  2. Step 2: Convert to fraction form
    38,972.40/53,781.66 = 23,056.56/x
  3. Step 3: Cross multiply
    38,972.40x = 53,781.66 × 23,056.56
  4. Step 4: Simplify right side
    38,972.40x = 1,240,020,070.69
  5. Step 5: Solve for x
    x = 1,240,020,070.69/38,972.40
  6. Step 6: Final answer
    x = 31,817.90

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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.