Home / 23,220.47-34,830.61-5,690.25

Finding the Fourth Proportional to 23,220.47, 34,830.61 and 5,690.25

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Solution

The fourth proportional to 23,220.47, 34,830.61 and 5,690.25 is: 8,535.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,220.47 : 34,830.61 = 5,690.25 : x
  2. Step 2: Convert to fraction form
    23,220.47/34,830.61 = 5,690.25/x
  3. Step 3: Cross multiply
    23,220.47x = 34,830.61 × 5,690.25
  4. Step 4: Simplify right side
    23,220.47x = 198,194,864.33
  5. Step 5: Solve for x
    x = 198,194,864.33/23,220.47
  6. Step 6: Final answer
    x = 8,535.35

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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.