Home / 39,468.98-54,465.54-21,564.74

Finding the Fourth Proportional to 39,468.98, 54,465.54 and 21,564.74

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Solution

The fourth proportional to 39,468.98, 54,465.54 and 21,564.74 is: 29,758.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,468.98 : 54,465.54 = 21,564.74 : x
  2. Step 2: Convert to fraction form
    39,468.98/54,465.54 = 21,564.74/x
  3. Step 3: Cross multiply
    39,468.98x = 54,465.54 × 21,564.74
  4. Step 4: Simplify right side
    39,468.98x = 1,174,535,209.06
  5. Step 5: Solve for x
    x = 1,174,535,209.06/39,468.98
  6. Step 6: Final answer
    x = 29,758.44

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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.