Home / 38,966.58-53,774.28-21,061.94

Finding the Fourth Proportional to 38,966.58, 53,774.28 and 21,061.94

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Solution

The fourth proportional to 38,966.58, 53,774.28 and 21,061.94 is: 29,065.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,966.58 : 53,774.28 = 21,061.94 : x
  2. Step 2: Convert to fraction form
    38,966.58/53,774.28 = 21,061.94/x
  3. Step 3: Cross multiply
    38,966.58x = 53,774.28 × 21,061.94
  4. Step 4: Simplify right side
    38,966.58x = 1,132,590,390.03
  5. Step 5: Solve for x
    x = 1,132,590,390.03/38,966.58
  6. Step 6: Final answer
    x = 29,065.69

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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.