Home / 32,129.49-44,314.20-21,355.05

Finding the Fourth Proportional to 32,129.49, 44,314.20 and 21,355.05

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Solution

The fourth proportional to 32,129.49, 44,314.20 and 21,355.05 is: 29,453.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,129.49 : 44,314.20 = 21,355.05 : x
  2. Step 2: Convert to fraction form
    32,129.49/44,314.20 = 21,355.05/x
  3. Step 3: Cross multiply
    32,129.49x = 44,314.20 × 21,355.05
  4. Step 4: Simplify right side
    32,129.49x = 946,331,956.71
  5. Step 5: Solve for x
    x = 946,331,956.71/32,129.49
  6. Step 6: Final answer
    x = 29,453.69

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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.