Home / 45,040.91-67,430.10-43,335.05

Finding the Fourth Proportional to 45,040.91, 67,430.10 and 43,335.05

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Solution

The fourth proportional to 45,040.91, 67,430.10 and 43,335.05 is: 64,876.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,040.91 : 67,430.10 = 43,335.05 : x
  2. Step 2: Convert to fraction form
    45,040.91/67,430.10 = 43,335.05/x
  3. Step 3: Cross multiply
    45,040.91x = 67,430.10 × 43,335.05
  4. Step 4: Simplify right side
    45,040.91x = 2,922,086,580.36
  5. Step 5: Solve for x
    x = 2,922,086,580.36/45,040.91
  6. Step 6: Final answer
    x = 64,876.28

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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.