Home / 31,438.07-47,156.42-14,788.88

Finding the Fourth Proportional to 31,438.07, 47,156.42 and 14,788.88

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Solution

The fourth proportional to 31,438.07, 47,156.42 and 14,788.88 is: 22,183.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,438.07 : 47,156.42 = 14,788.88 : x
  2. Step 2: Convert to fraction form
    31,438.07/47,156.42 = 14,788.88/x
  3. Step 3: Cross multiply
    31,438.07x = 47,156.42 × 14,788.88
  4. Step 4: Simplify right side
    31,438.07x = 697,390,636.61
  5. Step 5: Solve for x
    x = 697,390,636.61/31,438.07
  6. Step 6: Final answer
    x = 22,183.00

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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.