Home / 34,981.47-48,274.38-21,369.42

Finding the Fourth Proportional to 34,981.47, 48,274.38 and 21,369.42

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Solution

The fourth proportional to 34,981.47, 48,274.38 and 21,369.42 is: 29,489.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,981.47 : 48,274.38 = 21,369.42 : x
  2. Step 2: Convert to fraction form
    34,981.47/48,274.38 = 21,369.42/x
  3. Step 3: Cross multiply
    34,981.47x = 48,274.38 × 21,369.42
  4. Step 4: Simplify right side
    34,981.47x = 1,031,595,501.46
  5. Step 5: Solve for x
    x = 1,031,595,501.46/34,981.47
  6. Step 6: Final answer
    x = 29,489.77

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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.