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Finding the Fourth Proportional to 57,637, 79,604.67 and 38,741.32

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Solution

The fourth proportional to 57,637, 79,604.67 and 38,741.32 is: 53,507.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,637 : 79,604.67 = 38,741.32 : x
  2. Step 2: Convert to fraction form
    57,637/79,604.67 = 38,741.32/x
  3. Step 3: Cross multiply
    57,637x = 79,604.67 × 38,741.32
  4. Step 4: Simplify right side
    57,637x = 3,083,989,993.96
  5. Step 5: Solve for x
    x = 3,083,989,993.96/57,637
  6. Step 6: Final answer
    x = 53,507.12

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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.