Home / 32,129.48-44,364.18-21,384.68

Finding the Fourth Proportional to 32,129.48, 44,364.18 and 21,384.68

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Solution

The fourth proportional to 32,129.48, 44,364.18 and 21,384.68 is: 29,527.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,129.48 : 44,364.18 = 21,384.68 : x
  2. Step 2: Convert to fraction form
    32,129.48/44,364.18 = 21,384.68/x
  3. Step 3: Cross multiply
    32,129.48x = 44,364.18 × 21,384.68
  4. Step 4: Simplify right side
    32,129.48x = 948,713,792.76
  5. Step 5: Solve for x
    x = 948,713,792.76/32,129.48
  6. Step 6: Final answer
    x = 29,527.83

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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.