Home / 38,309.16-52,865.82-21,313.02

Finding the Fourth Proportional to 38,309.16, 52,865.82 and 21,313.02

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Solution

The fourth proportional to 38,309.16, 52,865.82 and 21,313.02 is: 29,411.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,309.16 : 52,865.82 = 21,313.02 : x
  2. Step 2: Convert to fraction form
    38,309.16/52,865.82 = 21,313.02/x
  3. Step 3: Cross multiply
    38,309.16x = 52,865.82 × 21,313.02
  4. Step 4: Simplify right side
    38,309.16x = 1,126,730,278.98
  5. Step 5: Solve for x
    x = 1,126,730,278.98/38,309.16
  6. Step 6: Final answer
    x = 29,411.51

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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.