Home / 30,434.90-41,985.62-19,098.76

Finding the Fourth Proportional to 30,434.90, 41,985.62 and 19,098.76

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Solution

The fourth proportional to 30,434.90, 41,985.62 and 19,098.76 is: 26,347.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,434.90 : 41,985.62 = 19,098.76 : x
  2. Step 2: Convert to fraction form
    30,434.90/41,985.62 = 19,098.76/x
  3. Step 3: Cross multiply
    30,434.90x = 41,985.62 × 19,098.76
  4. Step 4: Simplify right side
    30,434.90x = 801,873,279.83
  5. Step 5: Solve for x
    x = 801,873,279.83/30,434.90
  6. Step 6: Final answer
    x = 26,347.16

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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.