Home / 31,956.04-47,881.08-19,438.19

Finding the Fourth Proportional to 31,956.04, 47,881.08 and 19,438.19

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Solution

The fourth proportional to 31,956.04, 47,881.08 and 19,438.19 is: 29,125.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,956.04 : 47,881.08 = 19,438.19 : x
  2. Step 2: Convert to fraction form
    31,956.04/47,881.08 = 19,438.19/x
  3. Step 3: Cross multiply
    31,956.04x = 47,881.08 × 19,438.19
  4. Step 4: Simplify right side
    31,956.04x = 930,721,650.15
  5. Step 5: Solve for x
    x = 930,721,650.15/31,956.04
  6. Step 6: Final answer
    x = 29,125.06

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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.