Home / 56,024.40-77,313-30,873.36

Finding the Fourth Proportional to 56,024.40, 77,313 and 30,873.36

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Solution

The fourth proportional to 56,024.40, 77,313 and 30,873.36 is: 42,604.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,024.40 : 77,313 = 30,873.36 : x
  2. Step 2: Convert to fraction form
    56,024.40/77,313 = 30,873.36/x
  3. Step 3: Cross multiply
    56,024.40x = 77,313 × 30,873.36
  4. Step 4: Simplify right side
    56,024.40x = 2,386,912,081.68
  5. Step 5: Solve for x
    x = 2,386,912,081.68/56,024.40
  6. Step 6: Final answer
    x = 42,604.87

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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.