Home / 54,948.18-75,823.38-31,074.78

Finding the Fourth Proportional to 54,948.18, 75,823.38 and 31,074.78

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Solution

The fourth proportional to 54,948.18, 75,823.38 and 31,074.78 is: 42,880.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,948.18 : 75,823.38 = 31,074.78 : x
  2. Step 2: Convert to fraction form
    54,948.18/75,823.38 = 31,074.78/x
  3. Step 3: Cross multiply
    54,948.18x = 75,823.38 × 31,074.78
  4. Step 4: Simplify right side
    54,948.18x = 2,356,194,852.36
  5. Step 5: Solve for x
    x = 2,356,194,852.36/54,948.18
  6. Step 6: Final answer
    x = 42,880.31

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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.