Home / 53,079.98-79,618.28-13,099.19

Finding the Fourth Proportional to 53,079.98, 79,618.28 and 13,099.19

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Solution

The fourth proportional to 53,079.98, 79,618.28 and 13,099.19 is: 19,648.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,079.98 : 79,618.28 = 13,099.19 : x
  2. Step 2: Convert to fraction form
    53,079.98/79,618.28 = 13,099.19/x
  3. Step 3: Cross multiply
    53,079.98x = 79,618.28 × 13,099.19
  4. Step 4: Simplify right side
    53,079.98x = 1,042,934,513.61
  5. Step 5: Solve for x
    x = 1,042,934,513.61/53,079.98
  6. Step 6: Final answer
    x = 19,648.36

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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.