Home / 39,332.05-54,277.96-21,427.07

Finding the Fourth Proportional to 39,332.05, 54,277.96 and 21,427.07

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Solution

The fourth proportional to 39,332.05, 54,277.96 and 21,427.07 is: 29,569.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,332.05 : 54,277.96 = 21,427.07 : x
  2. Step 2: Convert to fraction form
    39,332.05/54,277.96 = 21,427.07/x
  3. Step 3: Cross multiply
    39,332.05x = 54,277.96 × 21,427.07
  4. Step 4: Simplify right side
    39,332.05x = 1,163,017,648.38
  5. Step 5: Solve for x
    x = 1,163,017,648.38/39,332.05
  6. Step 6: Final answer
    x = 29,569.21

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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.