Home / 70,285.24-105,441.90-25,912.18

Finding the Fourth Proportional to 70,285.24, 105,441.90 and 25,912.18

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Solution

The fourth proportional to 70,285.24, 105,441.90 and 25,912.18 is: 38,873.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,285.24 : 105,441.90 = 25,912.18 : x
  2. Step 2: Convert to fraction form
    70,285.24/105,441.90 = 25,912.18/x
  3. Step 3: Cross multiply
    70,285.24x = 105,441.90 × 25,912.18
  4. Step 4: Simplify right side
    70,285.24x = 2,732,229,492.34
  5. Step 5: Solve for x
    x = 2,732,229,492.34/70,285.24
  6. Step 6: Final answer
    x = 38,873.45

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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.