Home / 57,729.51-86,434.49-29,588.90

Finding the Fourth Proportional to 57,729.51, 86,434.49 and 29,588.90

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Solution

The fourth proportional to 57,729.51, 86,434.49 and 29,588.90 is: 44,301.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,729.51 : 86,434.49 = 29,588.90 : x
  2. Step 2: Convert to fraction form
    57,729.51/86,434.49 = 29,588.90/x
  3. Step 3: Cross multiply
    57,729.51x = 86,434.49 × 29,588.90
  4. Step 4: Simplify right side
    57,729.51x = 2,557,501,122.96
  5. Step 5: Solve for x
    x = 2,557,501,122.96/57,729.51
  6. Step 6: Final answer
    x = 44,301.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.