Home / 38,363.44-52,938.16-21,366.40

Finding the Fourth Proportional to 38,363.44, 52,938.16 and 21,366.40

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Solution

The fourth proportional to 38,363.44, 52,938.16 and 21,366.40 is: 29,483.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,363.44 : 52,938.16 = 21,366.40 : x
  2. Step 2: Convert to fraction form
    38,363.44/52,938.16 = 21,366.40/x
  3. Step 3: Cross multiply
    38,363.44x = 52,938.16 × 21,366.40
  4. Step 4: Simplify right side
    38,363.44x = 1,131,097,901.82
  5. Step 5: Solve for x
    x = 1,131,097,901.82/38,363.44
  6. Step 6: Final answer
    x = 29,483.75

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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.