Home / 34,742.67-47,927.28-21,974.35

Finding the Fourth Proportional to 34,742.67, 47,927.28 and 21,974.35

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Solution

The fourth proportional to 34,742.67, 47,927.28 and 21,974.35 is: 30,313.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,742.67 : 47,927.28 = 21,974.35 : x
  2. Step 2: Convert to fraction form
    34,742.67/47,927.28 = 21,974.35/x
  3. Step 3: Cross multiply
    34,742.67x = 47,927.28 × 21,974.35
  4. Step 4: Simplify right side
    34,742.67x = 1,053,170,715.40
  5. Step 5: Solve for x
    x = 1,053,170,715.40/34,742.67
  6. Step 6: Final answer
    x = 30,313.47

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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.