Home / 38,057.68-52,521.06-21,290.68

Finding the Fourth Proportional to 38,057.68, 52,521.06 and 21,290.68

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Solution

The fourth proportional to 38,057.68, 52,521.06 and 21,290.68 is: 29,381.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,057.68 : 52,521.06 = 21,290.68 : x
  2. Step 2: Convert to fraction form
    38,057.68/52,521.06 = 21,290.68/x
  3. Step 3: Cross multiply
    38,057.68x = 52,521.06 × 21,290.68
  4. Step 4: Simplify right side
    38,057.68x = 1,118,209,081.72
  5. Step 5: Solve for x
    x = 1,118,209,081.72/38,057.68
  6. Step 6: Final answer
    x = 29,381.96

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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.