Home / 39,820.56-54,949.55-23,686.98

Finding the Fourth Proportional to 39,820.56, 54,949.55 and 23,686.98

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Solution

The fourth proportional to 39,820.56, 54,949.55 and 23,686.98 is: 32,686.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,820.56 : 54,949.55 = 23,686.98 : x
  2. Step 2: Convert to fraction form
    39,820.56/54,949.55 = 23,686.98/x
  3. Step 3: Cross multiply
    39,820.56x = 54,949.55 × 23,686.98
  4. Step 4: Simplify right side
    39,820.56x = 1,301,588,773.42
  5. Step 5: Solve for x
    x = 1,301,588,773.42/39,820.56
  6. Step 6: Final answer
    x = 32,686.35

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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.