Home / 70,380.03-105,551.59-26,019.47

Finding the Fourth Proportional to 70,380.03, 105,551.59 and 26,019.47

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Solution

The fourth proportional to 70,380.03, 105,551.59 and 26,019.47 is: 39,022.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,380.03 : 105,551.59 = 26,019.47 : x
  2. Step 2: Convert to fraction form
    70,380.03/105,551.59 = 26,019.47/x
  3. Step 3: Cross multiply
    70,380.03x = 105,551.59 × 26,019.47
  4. Step 4: Simplify right side
    70,380.03x = 2,746,396,429.46
  5. Step 5: Solve for x
    x = 2,746,396,429.46/70,380.03
  6. Step 6: Final answer
    x = 39,022.38

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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.