Home / 39,358.04-54,312.41-21,452.63

Finding the Fourth Proportional to 39,358.04, 54,312.41 and 21,452.63

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Solution

The fourth proportional to 39,358.04, 54,312.41 and 21,452.63 is: 29,603.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,358.04 : 54,312.41 = 21,452.63 : x
  2. Step 2: Convert to fraction form
    39,358.04/54,312.41 = 21,452.63/x
  3. Step 3: Cross multiply
    39,358.04x = 54,312.41 × 21,452.63
  4. Step 4: Simplify right side
    39,358.04x = 1,165,143,818.21
  5. Step 5: Solve for x
    x = 1,165,143,818.21/39,358.04
  6. Step 6: Final answer
    x = 29,603.71

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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.