Home / 57,636.89-79,538.75-32,143.28

Finding the Fourth Proportional to 57,636.89, 79,538.75 and 32,143.28

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Solution

The fourth proportional to 57,636.89, 79,538.75 and 32,143.28 is: 44,357.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,636.89 : 79,538.75 = 32,143.28 : x
  2. Step 2: Convert to fraction form
    57,636.89/79,538.75 = 32,143.28/x
  3. Step 3: Cross multiply
    57,636.89x = 79,538.75 × 32,143.28
  4. Step 4: Simplify right side
    57,636.89x = 2,556,636,312.10
  5. Step 5: Solve for x
    x = 2,556,636,312.10/57,636.89
  6. Step 6: Final answer
    x = 44,357.64

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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.