Home / 47,392.21-71,088.11-19,306.00

Finding the Fourth Proportional to 47,392.21, 71,088.11 and 19,306.00

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Solution

The fourth proportional to 47,392.21, 71,088.11 and 19,306.00 is: 28,958.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,392.21 : 71,088.11 = 19,306.00 : x
  2. Step 2: Convert to fraction form
    47,392.21/71,088.11 = 19,306.00/x
  3. Step 3: Cross multiply
    47,392.21x = 71,088.11 × 19,306.00
  4. Step 4: Simplify right side
    47,392.21x = 1,372,426,825.67
  5. Step 5: Solve for x
    x = 1,372,426,825.67/47,392.21
  6. Step 6: Final answer
    x = 28,958.91

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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.