Home / 56,079.09-84,118.49-13,958.39

Finding the Fourth Proportional to 56,079.09, 84,118.49 and 13,958.39

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Solution

The fourth proportional to 56,079.09, 84,118.49 and 13,958.39 is: 20,937.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,079.09 : 84,118.49 = 13,958.39 : x
  2. Step 2: Convert to fraction form
    56,079.09/84,118.49 = 13,958.39/x
  3. Step 3: Cross multiply
    56,079.09x = 84,118.49 × 13,958.39
  4. Step 4: Simplify right side
    56,079.09x = 1,174,158,199.25
  5. Step 5: Solve for x
    x = 1,174,158,199.25/56,079.09
  6. Step 6: Final answer
    x = 20,937.54

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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.