Home / 34,729.16-47,930.58-20,587.40

Finding the Fourth Proportional to 34,729.16, 47,930.58 and 20,587.40

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Solution

The fourth proportional to 34,729.16, 47,930.58 and 20,587.40 is: 28,413.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,729.16 : 47,930.58 = 20,587.40 : x
  2. Step 2: Convert to fraction form
    34,729.16/47,930.58 = 20,587.40/x
  3. Step 3: Cross multiply
    34,729.16x = 47,930.58 × 20,587.40
  4. Step 4: Simplify right side
    34,729.16x = 986,766,022.69
  5. Step 5: Solve for x
    x = 986,766,022.69/34,729.16
  6. Step 6: Final answer
    x = 28,413.18

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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.