Home / 59,723.40-89,579.70-20,281.80

Finding the Fourth Proportional to 59,723.40, 89,579.70 and 20,281.80

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Solution

The fourth proportional to 59,723.40, 89,579.70 and 20,281.80 is: 30,420.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,723.40 : 89,579.70 = 20,281.80 : x
  2. Step 2: Convert to fraction form
    59,723.40/89,579.70 = 20,281.80/x
  3. Step 3: Cross multiply
    59,723.40x = 89,579.70 × 20,281.80
  4. Step 4: Simplify right side
    59,723.40x = 1,816,837,559.46
  5. Step 5: Solve for x
    x = 1,816,837,559.46/59,723.40
  6. Step 6: Final answer
    x = 30,420.87

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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.