Home / 40,778.60-56,270.68-22,870.14

Finding the Fourth Proportional to 40,778.60, 56,270.68 and 22,870.14

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Solution

The fourth proportional to 40,778.60, 56,270.68 and 22,870.14 is: 31,558.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,778.60 : 56,270.68 = 22,870.14 : x
  2. Step 2: Convert to fraction form
    40,778.60/56,270.68 = 22,870.14/x
  3. Step 3: Cross multiply
    40,778.60x = 56,270.68 × 22,870.14
  4. Step 4: Simplify right side
    40,778.60x = 1,286,918,329.50
  5. Step 5: Solve for x
    x = 1,286,918,329.50/40,778.60
  6. Step 6: Final answer
    x = 31,558.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.