Home / 53,051.02-79,576.54-13,608.13

Finding the Fourth Proportional to 53,051.02, 79,576.54 and 13,608.13

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Solution

The fourth proportional to 53,051.02, 79,576.54 and 13,608.13 is: 20,412.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,051.02 : 79,576.54 = 13,608.13 : x
  2. Step 2: Convert to fraction form
    53,051.02/79,576.54 = 13,608.13/x
  3. Step 3: Cross multiply
    53,051.02x = 79,576.54 × 13,608.13
  4. Step 4: Simplify right side
    53,051.02x = 1,082,887,901.27
  5. Step 5: Solve for x
    x = 1,082,887,901.27/53,051.02
  6. Step 6: Final answer
    x = 20,412.20

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Similar ratio
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1.5x scale

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.