Home / 35,690.90-53,561.02-12,317.42

Finding the Fourth Proportional to 35,690.90, 53,561.02 and 12,317.42

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Solution

The fourth proportional to 35,690.90, 53,561.02 and 12,317.42 is: 18,484.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,690.90 : 53,561.02 = 12,317.42 : x
  2. Step 2: Convert to fraction form
    35,690.90/53,561.02 = 12,317.42/x
  3. Step 3: Cross multiply
    35,690.90x = 53,561.02 × 12,317.42
  4. Step 4: Simplify right side
    35,690.90x = 659,733,578.97
  5. Step 5: Solve for x
    x = 659,733,578.97/35,690.90
  6. Step 6: Final answer
    x = 18,484.64

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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.