Home / 31,340.21-47,014.40-16,549.70

Finding the Fourth Proportional to 31,340.21, 47,014.40 and 16,549.70

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Solution

The fourth proportional to 31,340.21, 47,014.40 and 16,549.70 is: 24,826.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,340.21 : 47,014.40 = 16,549.70 : x
  2. Step 2: Convert to fraction form
    31,340.21/47,014.40 = 16,549.70/x
  3. Step 3: Cross multiply
    31,340.21x = 47,014.40 × 16,549.70
  4. Step 4: Simplify right side
    31,340.21x = 778,073,897.86
  5. Step 5: Solve for x
    x = 778,073,897.86/31,340.21
  6. Step 6: Final answer
    x = 24,826.70

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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.