Home / 59,873.77-89,819.88-20,421.67

Finding the Fourth Proportional to 59,873.77, 89,819.88 and 20,421.67

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Solution

The fourth proportional to 59,873.77, 89,819.88 and 20,421.67 is: 30,635.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,873.77 : 89,819.88 = 20,421.67 : x
  2. Step 2: Convert to fraction form
    59,873.77/89,819.88 = 20,421.67/x
  3. Step 3: Cross multiply
    59,873.77x = 89,819.88 × 20,421.67
  4. Step 4: Simplify right side
    59,873.77x = 1,834,271,499.70
  5. Step 5: Solve for x
    x = 1,834,271,499.70/59,873.77
  6. Step 6: Final answer
    x = 30,635.64

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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.