Home / 32,128.48-44,362.80-21,383.68

Finding the Fourth Proportional to 32,128.48, 44,362.80 and 21,383.68

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Solution

The fourth proportional to 32,128.48, 44,362.80 and 21,383.68 is: 29,526.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,128.48 : 44,362.80 = 21,383.68 : x
  2. Step 2: Convert to fraction form
    32,128.48/44,362.80 = 21,383.68/x
  3. Step 3: Cross multiply
    32,128.48x = 44,362.80 × 21,383.68
  4. Step 4: Simplify right side
    32,128.48x = 948,639,919.10
  5. Step 5: Solve for x
    x = 948,639,919.10/32,128.48
  6. Step 6: Final answer
    x = 29,526.45

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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.