Home / 39,061.73-53,905.70-21,833.35

Finding the Fourth Proportional to 39,061.73, 53,905.70 and 21,833.35

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Solution

The fourth proportional to 39,061.73, 53,905.70 and 21,833.35 is: 30,130.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,061.73 : 53,905.70 = 21,833.35 : x
  2. Step 2: Convert to fraction form
    39,061.73/53,905.70 = 21,833.35/x
  3. Step 3: Cross multiply
    39,061.73x = 53,905.70 × 21,833.35
  4. Step 4: Simplify right side
    39,061.73x = 1,176,941,934.91
  5. Step 5: Solve for x
    x = 1,176,941,934.91/39,061.73
  6. Step 6: Final answer
    x = 30,130.31

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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.