Home / 39,032.35-53,864.49-21,127.66

Finding the Fourth Proportional to 39,032.35, 53,864.49 and 21,127.66

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Solution

The fourth proportional to 39,032.35, 53,864.49 and 21,127.66 is: 29,156.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,032.35 : 53,864.49 = 21,127.66 : x
  2. Step 2: Convert to fraction form
    39,032.35/53,864.49 = 21,127.66/x
  3. Step 3: Cross multiply
    39,032.35x = 53,864.49 × 21,127.66
  4. Step 4: Simplify right side
    39,032.35x = 1,138,030,630.79
  5. Step 5: Solve for x
    x = 1,138,030,630.79/39,032.35
  6. Step 6: Final answer
    x = 29,156.09

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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.