Home / 39,468.21-54,465.93-21,564.24

Finding the Fourth Proportional to 39,468.21, 54,465.93 and 21,564.24

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Solution

The fourth proportional to 39,468.21, 54,465.93 and 21,564.24 is: 29,758.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,468.21 : 54,465.93 = 21,564.24 : x
  2. Step 2: Convert to fraction form
    39,468.21/54,465.93 = 21,564.24/x
  3. Step 3: Cross multiply
    39,468.21x = 54,465.93 × 21,564.24
  4. Step 4: Simplify right side
    39,468.21x = 1,174,516,386.34
  5. Step 5: Solve for x
    x = 1,174,516,386.34/39,468.21
  6. Step 6: Final answer
    x = 29,758.54

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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.