Home / 59,780.88-89,670.36-20,365.44

Finding the Fourth Proportional to 59,780.88, 89,670.36 and 20,365.44

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Solution

The fourth proportional to 59,780.88, 89,670.36 and 20,365.44 is: 30,547.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,780.88 : 89,670.36 = 20,365.44 : x
  2. Step 2: Convert to fraction form
    59,780.88/89,670.36 = 20,365.44/x
  3. Step 3: Cross multiply
    59,780.88x = 89,670.36 × 20,365.44
  4. Step 4: Simplify right side
    59,780.88x = 1,826,176,336.36
  5. Step 5: Solve for x
    x = 1,826,176,336.36/59,780.88
  6. Step 6: Final answer
    x = 30,547.83

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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.