Home / 38,224.71-52,748.31-21,230.05

Finding the Fourth Proportional to 38,224.71, 52,748.31 and 21,230.05

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Solution

The fourth proportional to 38,224.71, 52,748.31 and 21,230.05 is: 29,296.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,224.71 : 52,748.31 = 21,230.05 : x
  2. Step 2: Convert to fraction form
    38,224.71/52,748.31 = 21,230.05/x
  3. Step 3: Cross multiply
    38,224.71x = 52,748.31 × 21,230.05
  4. Step 4: Simplify right side
    38,224.71x = 1,119,849,258.72
  5. Step 5: Solve for x
    x = 1,119,849,258.72/38,224.71
  6. Step 6: Final answer
    x = 29,296.47

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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.