Home / 38,344.40-52,913.78-21,349.32

Finding the Fourth Proportional to 38,344.40, 52,913.78 and 21,349.32

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Solution

The fourth proportional to 38,344.40, 52,913.78 and 21,349.32 is: 29,461.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,344.40 : 52,913.78 = 21,349.32 : x
  2. Step 2: Convert to fraction form
    38,344.40/52,913.78 = 21,349.32/x
  3. Step 3: Cross multiply
    38,344.40x = 52,913.78 × 21,349.32
  4. Step 4: Simplify right side
    38,344.40x = 1,129,673,221.63
  5. Step 5: Solve for x
    x = 1,129,673,221.63/38,344.40
  6. Step 6: Final answer
    x = 29,461.23

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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.