Home / 53,275.64-79,892.68-19,977.56

Finding the Fourth Proportional to 53,275.64, 79,892.68 and 19,977.56

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Solution

The fourth proportional to 53,275.64, 79,892.68 and 19,977.56 is: 29,958.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,275.64 : 79,892.68 = 19,977.56 : x
  2. Step 2: Convert to fraction form
    53,275.64/79,892.68 = 19,977.56/x
  3. Step 3: Cross multiply
    53,275.64x = 79,892.68 × 19,977.56
  4. Step 4: Simplify right side
    53,275.64x = 1,596,060,808.26
  5. Step 5: Solve for x
    x = 1,596,060,808.26/53,275.64
  6. Step 6: Final answer
    x = 29,958.55

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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.