Home / 53,742.21-74,163.71-29,868.40

Finding the Fourth Proportional to 53,742.21, 74,163.71 and 29,868.40

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Solution

The fourth proportional to 53,742.21, 74,163.71 and 29,868.40 is: 41,218.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,742.21 : 74,163.71 = 29,868.40 : x
  2. Step 2: Convert to fraction form
    53,742.21/74,163.71 = 29,868.40/x
  3. Step 3: Cross multiply
    53,742.21x = 74,163.71 × 29,868.40
  4. Step 4: Simplify right side
    53,742.21x = 2,215,151,206.42
  5. Step 5: Solve for x
    x = 2,215,151,206.42/53,742.21
  6. Step 6: Final answer
    x = 41,218.09

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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.