Home / 31,475.84-47,214.72-9,288.96

Finding the Fourth Proportional to 31,475.84, 47,214.72 and 9,288.96

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Solution

The fourth proportional to 31,475.84, 47,214.72 and 9,288.96 is: 13,933.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,475.84 : 47,214.72 = 9,288.96 : x
  2. Step 2: Convert to fraction form
    31,475.84/47,214.72 = 9,288.96/x
  3. Step 3: Cross multiply
    31,475.84x = 47,214.72 × 9,288.96
  4. Step 4: Simplify right side
    31,475.84x = 438,575,645.49
  5. Step 5: Solve for x
    x = 438,575,645.49/31,475.84
  6. Step 6: Final answer
    x = 13,933.72

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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.