Home / 31,820.64-47,740.68-11,058.72

Finding the Fourth Proportional to 31,820.64, 47,740.68 and 11,058.72

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Solution

The fourth proportional to 31,820.64, 47,740.68 and 11,058.72 is: 16,591.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,820.64 : 47,740.68 = 11,058.72 : x
  2. Step 2: Convert to fraction form
    31,820.64/47,740.68 = 11,058.72/x
  3. Step 3: Cross multiply
    31,820.64x = 47,740.68 × 11,058.72
  4. Step 4: Simplify right side
    31,820.64x = 527,950,812.73
  5. Step 5: Solve for x
    x = 527,950,812.73/31,820.64
  6. Step 6: Final answer
    x = 16,591.46

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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.