Home / 34,484.54-47,589.12-20,870.46

Finding the Fourth Proportional to 34,484.54, 47,589.12 and 20,870.46

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Solution

The fourth proportional to 34,484.54, 47,589.12 and 20,870.46 is: 28,801.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,484.54 : 47,589.12 = 20,870.46 : x
  2. Step 2: Convert to fraction form
    34,484.54/47,589.12 = 20,870.46/x
  3. Step 3: Cross multiply
    34,484.54x = 47,589.12 × 20,870.46
  4. Step 4: Simplify right side
    34,484.54x = 993,206,825.40
  5. Step 5: Solve for x
    x = 993,206,825.40/34,484.54
  6. Step 6: Final answer
    x = 28,801.51

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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.