Home / 59,789.12-89,677.76-20,345.67

Finding the Fourth Proportional to 59,789.12, 89,677.76 and 20,345.67

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Solution

The fourth proportional to 59,789.12, 89,677.76 and 20,345.67 is: 30,516.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,789.12 : 89,677.76 = 20,345.67 : x
  2. Step 2: Convert to fraction form
    59,789.12/89,677.76 = 20,345.67/x
  3. Step 3: Cross multiply
    59,789.12x = 89,677.76 × 20,345.67
  4. Step 4: Simplify right side
    59,789.12x = 1,824,554,009.57
  5. Step 5: Solve for x
    x = 1,824,554,009.57/59,789.12
  6. Step 6: Final answer
    x = 30,516.49

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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.