Home / 70,349.90-105,486.57-25,365.13

Finding the Fourth Proportional to 70,349.90, 105,486.57 and 25,365.13

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Solution

The fourth proportional to 70,349.90, 105,486.57 and 25,365.13 is: 38,033.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,349.90 : 105,486.57 = 25,365.13 : x
  2. Step 2: Convert to fraction form
    70,349.90/105,486.57 = 25,365.13/x
  3. Step 3: Cross multiply
    70,349.90x = 105,486.57 × 25,365.13
  4. Step 4: Simplify right side
    70,349.90x = 2,675,680,561.30
  5. Step 5: Solve for x
    x = 2,675,680,561.30/70,349.90
  6. Step 6: Final answer
    x = 38,033.89

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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.