Home / 34,528.74-47,650.16-20,381.59

Finding the Fourth Proportional to 34,528.74, 47,650.16 and 20,381.59

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Solution

The fourth proportional to 34,528.74, 47,650.16 and 20,381.59 is: 28,126.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,528.74 : 47,650.16 = 20,381.59 : x
  2. Step 2: Convert to fraction form
    34,528.74/47,650.16 = 20,381.59/x
  3. Step 3: Cross multiply
    34,528.74x = 47,650.16 × 20,381.59
  4. Step 4: Simplify right side
    34,528.74x = 971,185,684.40
  5. Step 5: Solve for x
    x = 971,185,684.40/34,528.74
  6. Step 6: Final answer
    x = 28,126.88

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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.