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Finding the Fourth Proportional to 32,155.99, 48,237.83 and 12,168.63

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Solution

The fourth proportional to 32,155.99, 48,237.83 and 12,168.63 is: 18,254.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,155.99 : 48,237.83 = 12,168.63 : x
  2. Step 2: Convert to fraction form
    32,155.99/48,237.83 = 12,168.63/x
  3. Step 3: Cross multiply
    32,155.99x = 48,237.83 × 12,168.63
  4. Step 4: Simplify right side
    32,155.99x = 586,988,290.06
  5. Step 5: Solve for x
    x = 586,988,290.06/32,155.99
  6. Step 6: Final answer
    x = 18,254.40

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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.