Home / 38,225.60-52,746.56-21,229.76

Finding the Fourth Proportional to 38,225.60, 52,746.56 and 21,229.76

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Solution

The fourth proportional to 38,225.60, 52,746.56 and 21,229.76 is: 29,294.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,225.60 : 52,746.56 = 21,229.76 : x
  2. Step 2: Convert to fraction form
    38,225.60/52,746.56 = 21,229.76/x
  3. Step 3: Cross multiply
    38,225.60x = 52,746.56 × 21,229.76
  4. Step 4: Simplify right side
    38,225.60x = 1,119,796,809.63
  5. Step 5: Solve for x
    x = 1,119,796,809.63/38,225.60
  6. Step 6: Final answer
    x = 29,294.42

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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.