Home / 43,047.12-64,570.68-13,465.11

Finding the Fourth Proportional to 43,047.12, 64,570.68 and 13,465.11

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Solution

The fourth proportional to 43,047.12, 64,570.68 and 13,465.11 is: 20,197.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,047.12 : 64,570.68 = 13,465.11 : x
  2. Step 2: Convert to fraction form
    43,047.12/64,570.68 = 13,465.11/x
  3. Step 3: Cross multiply
    43,047.12x = 64,570.68 × 13,465.11
  4. Step 4: Simplify right side
    43,047.12x = 869,451,308.97
  5. Step 5: Solve for x
    x = 869,451,308.97/43,047.12
  6. Step 6: Final answer
    x = 20,197.67

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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.