Home / 39,590.55-54,635.67-21,685.23

Finding the Fourth Proportional to 39,590.55, 54,635.67 and 21,685.23

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Solution

The fourth proportional to 39,590.55, 54,635.67 and 21,685.23 is: 29,926.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,590.55 : 54,635.67 = 21,685.23 : x
  2. Step 2: Convert to fraction form
    39,590.55/54,635.67 = 21,685.23/x
  3. Step 3: Cross multiply
    39,590.55x = 54,635.67 × 21,685.23
  4. Step 4: Simplify right side
    39,590.55x = 1,184,787,070.15
  5. Step 5: Solve for x
    x = 1,184,787,070.15/39,590.55
  6. Step 6: Final answer
    x = 29,926.01

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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.