Home / 37,572.30-51,837.18-21,656.42

Finding the Fourth Proportional to 37,572.30, 51,837.18 and 21,656.42

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Solution

The fourth proportional to 37,572.30, 51,837.18 and 21,656.42 is: 29,878.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,572.30 : 51,837.18 = 21,656.42 : x
  2. Step 2: Convert to fraction form
    37,572.30/51,837.18 = 21,656.42/x
  3. Step 3: Cross multiply
    37,572.30x = 51,837.18 × 21,656.42
  4. Step 4: Simplify right side
    37,572.30x = 1,122,607,482.51
  5. Step 5: Solve for x
    x = 1,122,607,482.51/37,572.30
  6. Step 6: Final answer
    x = 29,878.59

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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.