Home / 59,721.26-89,579.79-20,278.71

Finding the Fourth Proportional to 59,721.26, 89,579.79 and 20,278.71

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Solution

The fourth proportional to 59,721.26, 89,579.79 and 20,278.71 is: 30,417.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,721.26 : 89,579.79 = 20,278.71 : x
  2. Step 2: Convert to fraction form
    59,721.26/89,579.79 = 20,278.71/x
  3. Step 3: Cross multiply
    59,721.26x = 89,579.79 × 20,278.71
  4. Step 4: Simplify right side
    59,721.26x = 1,816,562,583.27
  5. Step 5: Solve for x
    x = 1,816,562,583.27/59,721.26
  6. Step 6: Final answer
    x = 30,417.35

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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.