Home / 38,176.36-52,681.59-21,180.42

Finding the Fourth Proportional to 38,176.36, 52,681.59 and 21,180.42

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Solution

The fourth proportional to 38,176.36, 52,681.59 and 21,180.42 is: 29,227.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,176.36 : 52,681.59 = 21,180.42 : x
  2. Step 2: Convert to fraction form
    38,176.36/52,681.59 = 21,180.42/x
  3. Step 3: Cross multiply
    38,176.36x = 52,681.59 × 21,180.42
  4. Step 4: Simplify right side
    38,176.36x = 1,115,818,123.71
  5. Step 5: Solve for x
    x = 1,115,818,123.71/38,176.36
  6. Step 6: Final answer
    x = 29,227.99

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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.