Home / 38,038.38-52,488.93-21,039.93

Finding the Fourth Proportional to 38,038.38, 52,488.93 and 21,039.93

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Solution

The fourth proportional to 38,038.38, 52,488.93 and 21,039.93 is: 29,032.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,038.38 : 52,488.93 = 21,039.93 : x
  2. Step 2: Convert to fraction form
    38,038.38/52,488.93 = 21,039.93/x
  3. Step 3: Cross multiply
    38,038.38x = 52,488.93 × 21,039.93
  4. Step 4: Simplify right side
    38,038.38x = 1,104,363,412.97
  5. Step 5: Solve for x
    x = 1,104,363,412.97/38,038.38
  6. Step 6: Final answer
    x = 29,032.87

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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.