Home / 38,644.52-53,333.71-21,651.53

Finding the Fourth Proportional to 38,644.52, 53,333.71 and 21,651.53

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Solution

The fourth proportional to 38,644.52, 53,333.71 and 21,651.53 is: 29,881.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,644.52 : 53,333.71 = 21,651.53 : x
  2. Step 2: Convert to fraction form
    38,644.52/53,333.71 = 21,651.53/x
  3. Step 3: Cross multiply
    38,644.52x = 53,333.71 × 21,651.53
  4. Step 4: Simplify right side
    38,644.52x = 1,154,756,101.28
  5. Step 5: Solve for x
    x = 1,154,756,101.28/38,644.52
  6. Step 6: Final answer
    x = 29,881.50

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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.