Home / 39,332.73-54,280.47-21,429.39

Finding the Fourth Proportional to 39,332.73, 54,280.47 and 21,429.39

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Solution

The fourth proportional to 39,332.73, 54,280.47 and 21,429.39 is: 29,573.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,332.73 : 54,280.47 = 21,429.39 : x
  2. Step 2: Convert to fraction form
    39,332.73/54,280.47 = 21,429.39/x
  3. Step 3: Cross multiply
    39,332.73x = 54,280.47 × 21,429.39
  4. Step 4: Simplify right side
    39,332.73x = 1,163,197,361.01
  5. Step 5: Solve for x
    x = 1,163,197,361.01/39,332.73
  6. Step 6: Final answer
    x = 29,573.27

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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.