Home / 32,151.96-48,168-18,965.16

Finding the Fourth Proportional to 32,151.96, 48,168 and 18,965.16

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Solution

The fourth proportional to 32,151.96, 48,168 and 18,965.16 is: 28,412.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,151.96 : 48,168 = 18,965.16 : x
  2. Step 2: Convert to fraction form
    32,151.96/48,168 = 18,965.16/x
  3. Step 3: Cross multiply
    32,151.96x = 48,168 × 18,965.16
  4. Step 4: Simplify right side
    32,151.96x = 913,513,826.88
  5. Step 5: Solve for x
    x = 913,513,826.88/32,151.96
  6. Step 6: Final answer
    x = 28,412.38

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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.