Home / 45,012.06-67,518.07-15,430.14

Finding the Fourth Proportional to 45,012.06, 67,518.07 and 15,430.14

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Solution

The fourth proportional to 45,012.06, 67,518.07 and 15,430.14 is: 23,145.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,012.06 : 67,518.07 = 15,430.14 : x
  2. Step 2: Convert to fraction form
    45,012.06/67,518.07 = 15,430.14/x
  3. Step 3: Cross multiply
    45,012.06x = 67,518.07 × 15,430.14
  4. Step 4: Simplify right side
    45,012.06x = 1,041,813,234.05
  5. Step 5: Solve for x
    x = 1,041,813,234.05/45,012.06
  6. Step 6: Final answer
    x = 23,145.20

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Similar ratio
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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.