Home / 38,038.17-52,488.62-21,039.71

Finding the Fourth Proportional to 38,038.17, 52,488.62 and 21,039.71

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Solution

The fourth proportional to 38,038.17, 52,488.62 and 21,039.71 is: 29,032.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,038.17 : 52,488.62 = 21,039.71 : x
  2. Step 2: Convert to fraction form
    38,038.17/52,488.62 = 21,039.71/x
  3. Step 3: Cross multiply
    38,038.17x = 52,488.62 × 21,039.71
  4. Step 4: Simplify right side
    38,038.17x = 1,104,344,975.46
  5. Step 5: Solve for x
    x = 1,104,344,975.46/38,038.17
  6. Step 6: Final answer
    x = 29,032.55

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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.