Home / 40,377.96-60,570.02-12,300.40

Finding the Fourth Proportional to 40,377.96, 60,570.02 and 12,300.40

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Solution

The fourth proportional to 40,377.96, 60,570.02 and 12,300.40 is: 18,451.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,377.96 : 60,570.02 = 12,300.40 : x
  2. Step 2: Convert to fraction form
    40,377.96/60,570.02 = 12,300.40/x
  3. Step 3: Cross multiply
    40,377.96x = 60,570.02 × 12,300.40
  4. Step 4: Simplify right side
    40,377.96x = 745,035,474.01
  5. Step 5: Solve for x
    x = 745,035,474.01/40,377.96
  6. Step 6: Final answer
    x = 18,451.54

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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.