Home / 70,403.27-105,590.32-25,999.67

Finding the Fourth Proportional to 70,403.27, 105,590.32 and 25,999.67

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Solution

The fourth proportional to 70,403.27, 105,590.32 and 25,999.67 is: 38,994.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,403.27 : 105,590.32 = 25,999.67 : x
  2. Step 2: Convert to fraction form
    70,403.27/105,590.32 = 25,999.67/x
  3. Step 3: Cross multiply
    70,403.27x = 105,590.32 × 25,999.67
  4. Step 4: Simplify right side
    70,403.27x = 2,745,313,674.17
  5. Step 5: Solve for x
    x = 2,745,313,674.17/70,403.27
  6. Step 6: Final answer
    x = 38,994.12

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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.