Home / 29,987.29-41,327.63-19,897.93

Finding the Fourth Proportional to 29,987.29, 41,327.63 and 19,897.93

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Solution

The fourth proportional to 29,987.29, 41,327.63 and 19,897.93 is: 27,422.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,987.29 : 41,327.63 = 19,897.93 : x
  2. Step 2: Convert to fraction form
    29,987.29/41,327.63 = 19,897.93/x
  3. Step 3: Cross multiply
    29,987.29x = 41,327.63 × 19,897.93
  4. Step 4: Simplify right side
    29,987.29x = 822,334,082.17
  5. Step 5: Solve for x
    x = 822,334,082.17/29,987.29
  6. Step 6: Final answer
    x = 27,422.76

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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.