Home / 57,638.67-79,541.21-32,145.07

Finding the Fourth Proportional to 57,638.67, 79,541.21 and 32,145.07

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Solution

The fourth proportional to 57,638.67, 79,541.21 and 32,145.07 is: 44,360.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,638.67 : 79,541.21 = 32,145.07 : x
  2. Step 2: Convert to fraction form
    57,638.67/79,541.21 = 32,145.07/x
  3. Step 3: Cross multiply
    57,638.67x = 79,541.21 × 32,145.07
  4. Step 4: Simplify right side
    57,638.67x = 2,556,857,644.84
  5. Step 5: Solve for x
    x = 2,556,857,644.84/57,638.67
  6. Step 6: Final answer
    x = 44,360.11

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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.