Home / 52,378.77-72,290.49-30,861.65

Finding the Fourth Proportional to 52,378.77, 72,290.49 and 30,861.65

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Solution

The fourth proportional to 52,378.77, 72,290.49 and 30,861.65 is: 42,593.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,378.77 : 72,290.49 = 30,861.65 : x
  2. Step 2: Convert to fraction form
    52,378.77/72,290.49 = 30,861.65/x
  3. Step 3: Cross multiply
    52,378.77x = 72,290.49 × 30,861.65
  4. Step 4: Simplify right side
    52,378.77x = 2,231,003,800.71
  5. Step 5: Solve for x
    x = 2,231,003,800.71/52,378.77
  6. Step 6: Final answer
    x = 42,593.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.