Home / 43,147.47-64,736.79-15,071.67

Finding the Fourth Proportional to 43,147.47, 64,736.79 and 15,071.67

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Solution

The fourth proportional to 43,147.47, 64,736.79 and 15,071.67 is: 22,612.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,147.47 : 64,736.79 = 15,071.67 : x
  2. Step 2: Convert to fraction form
    43,147.47/64,736.79 = 15,071.67/x
  3. Step 3: Cross multiply
    43,147.47x = 64,736.79 × 15,071.67
  4. Step 4: Simplify right side
    43,147.47x = 975,691,535.74
  5. Step 5: Solve for x
    x = 975,691,535.74/43,147.47
  6. Step 6: Final answer
    x = 22,612.95

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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.