Home / 31,338.34-47,010.15-10,278.25

Finding the Fourth Proportional to 31,338.34, 47,010.15 and 10,278.25

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Solution

The fourth proportional to 31,338.34, 47,010.15 and 10,278.25 is: 15,418.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,338.34 : 47,010.15 = 10,278.25 : x
  2. Step 2: Convert to fraction form
    31,338.34/47,010.15 = 10,278.25/x
  3. Step 3: Cross multiply
    31,338.34x = 47,010.15 × 10,278.25
  4. Step 4: Simplify right side
    31,338.34x = 483,181,956.71
  5. Step 5: Solve for x
    x = 483,181,956.71/31,338.34
  6. Step 6: Final answer
    x = 15,418.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.