Home / 32,711.45-45,164.59-21,972.67

Finding the Fourth Proportional to 32,711.45, 45,164.59 and 21,972.67

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Solution

The fourth proportional to 32,711.45, 45,164.59 and 21,972.67 is: 30,337.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,711.45 : 45,164.59 = 21,972.67 : x
  2. Step 2: Convert to fraction form
    32,711.45/45,164.59 = 21,972.67/x
  3. Step 3: Cross multiply
    32,711.45x = 45,164.59 × 21,972.67
  4. Step 4: Simplify right side
    32,711.45x = 992,386,463.91
  5. Step 5: Solve for x
    x = 992,386,463.91/32,711.45
  6. Step 6: Final answer
    x = 30,337.59

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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.