Home / 53,106.12-79,659.24-13,663.32

Finding the Fourth Proportional to 53,106.12, 79,659.24 and 13,663.32

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Solution

The fourth proportional to 53,106.12, 79,659.24 and 13,663.32 is: 20,495.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,106.12 : 79,659.24 = 13,663.32 : x
  2. Step 2: Convert to fraction form
    53,106.12/79,659.24 = 13,663.32/x
  3. Step 3: Cross multiply
    53,106.12x = 79,659.24 × 13,663.32
  4. Step 4: Simplify right side
    53,106.12x = 1,088,409,687.08
  5. Step 5: Solve for x
    x = 1,088,409,687.08/53,106.12
  6. Step 6: Final answer
    x = 20,495.00

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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.