Home / 56,821.39-85,218.41-17,378.84

Finding the Fourth Proportional to 56,821.39, 85,218.41 and 17,378.84

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Solution

The fourth proportional to 56,821.39, 85,218.41 and 17,378.84 is: 26,064.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,821.39 : 85,218.41 = 17,378.84 : x
  2. Step 2: Convert to fraction form
    56,821.39/85,218.41 = 17,378.84/x
  3. Step 3: Cross multiply
    56,821.39x = 85,218.41 × 17,378.84
  4. Step 4: Simplify right side
    56,821.39x = 1,480,997,368.94
  5. Step 5: Solve for x
    x = 1,480,997,368.94/56,821.39
  6. Step 6: Final answer
    x = 26,064.08

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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.