Home / 32,187.12-44,362.64-21,412.72

Finding the Fourth Proportional to 32,187.12, 44,362.64 and 21,412.72

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Solution

The fourth proportional to 32,187.12, 44,362.64 and 21,412.72 is: 29,512.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,187.12 : 44,362.64 = 21,412.72 : x
  2. Step 2: Convert to fraction form
    32,187.12/44,362.64 = 21,412.72/x
  3. Step 3: Cross multiply
    32,187.12x = 44,362.64 × 21,412.72
  4. Step 4: Simplify right side
    32,187.12x = 949,924,788.78
  5. Step 5: Solve for x
    x = 949,924,788.78/32,187.12
  6. Step 6: Final answer
    x = 29,512.57

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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.