Home / 56,878.88-85,330.77-17,439.07

Finding the Fourth Proportional to 56,878.88, 85,330.77 and 17,439.07

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Solution

The fourth proportional to 56,878.88, 85,330.77 and 17,439.07 is: 26,162.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,878.88 : 85,330.77 = 17,439.07 : x
  2. Step 2: Convert to fraction form
    56,878.88/85,330.77 = 17,439.07/x
  3. Step 3: Cross multiply
    56,878.88x = 85,330.77 × 17,439.07
  4. Step 4: Simplify right side
    56,878.88x = 1,488,089,271.18
  5. Step 5: Solve for x
    x = 1,488,089,271.18/56,878.88
  6. Step 6: Final answer
    x = 26,162.42

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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.