Home / 34,275.86-47,301.32-20,847.68

Finding the Fourth Proportional to 34,275.86, 47,301.32 and 20,847.68

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Solution

The fourth proportional to 34,275.86, 47,301.32 and 20,847.68 is: 28,770.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,275.86 : 47,301.32 = 20,847.68 : x
  2. Step 2: Convert to fraction form
    34,275.86/47,301.32 = 20,847.68/x
  3. Step 3: Cross multiply
    34,275.86x = 47,301.32 × 20,847.68
  4. Step 4: Simplify right side
    34,275.86x = 986,122,782.94
  5. Step 5: Solve for x
    x = 986,122,782.94/34,275.86
  6. Step 6: Final answer
    x = 28,770.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.