Home / 38,603.07-53,273.18-21,607.17

Finding the Fourth Proportional to 38,603.07, 53,273.18 and 21,607.17

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Solution

The fourth proportional to 38,603.07, 53,273.18 and 21,607.17 is: 29,818.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,603.07 : 53,273.18 = 21,607.17 : x
  2. Step 2: Convert to fraction form
    38,603.07/53,273.18 = 21,607.17/x
  3. Step 3: Cross multiply
    38,603.07x = 53,273.18 × 21,607.17
  4. Step 4: Simplify right side
    38,603.07x = 1,151,082,656.70
  5. Step 5: Solve for x
    x = 1,151,082,656.70/38,603.07
  6. Step 6: Final answer
    x = 29,818.42

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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.