Home / 38,574.00-53,229.60-21,575.29

Finding the Fourth Proportional to 38,574.00, 53,229.60 and 21,575.29

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Solution

The fourth proportional to 38,574.00, 53,229.60 and 21,575.29 is: 29,772.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,574.00 : 53,229.60 = 21,575.29 : x
  2. Step 2: Convert to fraction form
    38,574.00/53,229.60 = 21,575.29/x
  3. Step 3: Cross multiply
    38,574.00x = 53,229.60 × 21,575.29
  4. Step 4: Simplify right side
    38,574.00x = 1,148,444,056.58
  5. Step 5: Solve for x
    x = 1,148,444,056.58/38,574.00
  6. Step 6: Final answer
    x = 29,772.49

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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.