Home / 38,701.49-53,402.88-21,473.57

Finding the Fourth Proportional to 38,701.49, 53,402.88 and 21,473.57

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Solution

The fourth proportional to 38,701.49, 53,402.88 and 21,473.57 is: 29,630.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,701.49 : 53,402.88 = 21,473.57 : x
  2. Step 2: Convert to fraction form
    38,701.49/53,402.88 = 21,473.57/x
  3. Step 3: Cross multiply
    38,701.49x = 53,402.88 × 21,473.57
  4. Step 4: Simplify right side
    38,701.49x = 1,146,750,214.87
  5. Step 5: Solve for x
    x = 1,146,750,214.87/38,701.49
  6. Step 6: Final answer
    x = 29,630.65

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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.