Home / 31,368.82-47,278.72-27,038.56

Finding the Fourth Proportional to 31,368.82, 47,278.72 and 27,038.56

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Solution

The fourth proportional to 31,368.82, 47,278.72 and 27,038.56 is: 40,752.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,368.82 : 47,278.72 = 27,038.56 : x
  2. Step 2: Convert to fraction form
    31,368.82/47,278.72 = 27,038.56/x
  3. Step 3: Cross multiply
    31,368.82x = 47,278.72 × 27,038.56
  4. Step 4: Simplify right side
    31,368.82x = 1,278,348,507.44
  5. Step 5: Solve for x
    x = 1,278,348,507.44/31,368.82
  6. Step 6: Final answer
    x = 40,752.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.