Home / 59,920.38-89,880.59-20,477.83

Finding the Fourth Proportional to 59,920.38, 89,880.59 and 20,477.83

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Solution

The fourth proportional to 59,920.38, 89,880.59 and 20,477.83 is: 30,716.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,920.38 : 89,880.59 = 20,477.83 : x
  2. Step 2: Convert to fraction form
    59,920.38/89,880.59 = 20,477.83/x
  3. Step 3: Cross multiply
    59,920.38x = 89,880.59 × 20,477.83
  4. Step 4: Simplify right side
    59,920.38x = 1,840,559,442.32
  5. Step 5: Solve for x
    x = 1,840,559,442.32/59,920.38
  6. Step 6: Final answer
    x = 30,716.75

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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.