Home / 57,421.78-79,241.70-32,271.28

Finding the Fourth Proportional to 57,421.78, 79,241.70 and 32,271.28

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Solution

The fourth proportional to 57,421.78, 79,241.70 and 32,271.28 is: 44,534.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,421.78 : 79,241.70 = 32,271.28 : x
  2. Step 2: Convert to fraction form
    57,421.78/79,241.70 = 32,271.28/x
  3. Step 3: Cross multiply
    57,421.78x = 79,241.70 × 32,271.28
  4. Step 4: Simplify right side
    57,421.78x = 2,557,231,088.38
  5. Step 5: Solve for x
    x = 2,557,231,088.38/57,421.78
  6. Step 6: Final answer
    x = 44,534.17

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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.