Home / 34,395.14-47,445.18-21,628.11

Finding the Fourth Proportional to 34,395.14, 47,445.18 and 21,628.11

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Solution

The fourth proportional to 34,395.14, 47,445.18 and 21,628.11 is: 29,834.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,395.14 : 47,445.18 = 21,628.11 : x
  2. Step 2: Convert to fraction form
    34,395.14/47,445.18 = 21,628.11/x
  3. Step 3: Cross multiply
    34,395.14x = 47,445.18 × 21,628.11
  4. Step 4: Simplify right side
    34,395.14x = 1,026,149,572.01
  5. Step 5: Solve for x
    x = 1,026,149,572.01/34,395.14
  6. Step 6: Final answer
    x = 29,834.14

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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.