Home / 45,456.41-62,749.19-30,561.05

Finding the Fourth Proportional to 45,456.41, 62,749.19 and 30,561.05

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Solution

The fourth proportional to 45,456.41, 62,749.19 and 30,561.05 is: 42,187.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,456.41 : 62,749.19 = 30,561.05 : x
  2. Step 2: Convert to fraction form
    45,456.41/62,749.19 = 30,561.05/x
  3. Step 3: Cross multiply
    45,456.41x = 62,749.19 × 30,561.05
  4. Step 4: Simplify right side
    45,456.41x = 1,917,680,895.71
  5. Step 5: Solve for x
    x = 1,917,680,895.71/45,456.41
  6. Step 6: Final answer
    x = 42,187.25

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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.