Home / 39,592.08-54,636.57-21,686.01

Finding the Fourth Proportional to 39,592.08, 54,636.57 and 21,686.01

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Solution

The fourth proportional to 39,592.08, 54,636.57 and 21,686.01 is: 29,926.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,592.08 : 54,636.57 = 21,686.01 : x
  2. Step 2: Convert to fraction form
    39,592.08/54,636.57 = 21,686.01/x
  3. Step 3: Cross multiply
    39,592.08x = 54,636.57 × 21,686.01
  4. Step 4: Simplify right side
    39,592.08x = 1,184,849,203.39
  5. Step 5: Solve for x
    x = 1,184,849,203.39/39,592.08
  6. Step 6: Final answer
    x = 29,926.42

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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.