Home / 31,820.16-47,707.20-16,225.92

Finding the Fourth Proportional to 31,820.16, 47,707.20 and 16,225.92

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Solution

The fourth proportional to 31,820.16, 47,707.20 and 16,225.92 is: 24,327.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,820.16 : 47,707.20 = 16,225.92 : x
  2. Step 2: Convert to fraction form
    31,820.16/47,707.20 = 16,225.92/x
  3. Step 3: Cross multiply
    31,820.16x = 47,707.20 × 16,225.92
  4. Step 4: Simplify right side
    31,820.16x = 774,093,210.62
  5. Step 5: Solve for x
    x = 774,093,210.62/31,820.16
  6. Step 6: Final answer
    x = 24,327.13

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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.