Home / 70,428.75-105,620.82-23,032.89

Finding the Fourth Proportional to 70,428.75, 105,620.82 and 23,032.89

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Solution

The fourth proportional to 70,428.75, 105,620.82 and 23,032.89 is: 34,542.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,428.75 : 105,620.82 = 23,032.89 : x
  2. Step 2: Convert to fraction form
    70,428.75/105,620.82 = 23,032.89/x
  3. Step 3: Cross multiply
    70,428.75x = 105,620.82 × 23,032.89
  4. Step 4: Simplify right side
    70,428.75x = 2,432,752,728.77
  5. Step 5: Solve for x
    x = 2,432,752,728.77/70,428.75
  6. Step 6: Final answer
    x = 34,542.04

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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.