Home / 38,745.04-53,465.79-21,746.38

Finding the Fourth Proportional to 38,745.04, 53,465.79 and 21,746.38

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Solution

The fourth proportional to 38,745.04, 53,465.79 and 21,746.38 is: 30,008.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,745.04 : 53,465.79 = 21,746.38 : x
  2. Step 2: Convert to fraction form
    38,745.04/53,465.79 = 21,746.38/x
  3. Step 3: Cross multiply
    38,745.04x = 53,465.79 × 21,746.38
  4. Step 4: Simplify right side
    38,745.04x = 1,162,687,386.34
  5. Step 5: Solve for x
    x = 1,162,687,386.34/38,745.04
  6. Step 6: Final answer
    x = 30,008.68

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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.