Home / 53,095.68-79,657.31-19,816.00

Finding the Fourth Proportional to 53,095.68, 79,657.31 and 19,816.00

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Solution

The fourth proportional to 53,095.68, 79,657.31 and 19,816.00 is: 29,729.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,095.68 : 79,657.31 = 19,816.00 : x
  2. Step 2: Convert to fraction form
    53,095.68/79,657.31 = 19,816.00/x
  3. Step 3: Cross multiply
    53,095.68x = 79,657.31 × 19,816.00
  4. Step 4: Simplify right side
    53,095.68x = 1,578,488,856.67
  5. Step 5: Solve for x
    x = 1,578,488,856.67/53,095.68
  6. Step 6: Final answer
    x = 29,729.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.