Home / 56,775.90-85,174.20-19,334.20

Finding the Fourth Proportional to 56,775.90, 85,174.20 and 19,334.20

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Solution

The fourth proportional to 56,775.90, 85,174.20 and 19,334.20 is: 29,004.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,775.90 : 85,174.20 = 19,334.20 : x
  2. Step 2: Convert to fraction form
    56,775.90/85,174.20 = 19,334.20/x
  3. Step 3: Cross multiply
    56,775.90x = 85,174.20 × 19,334.20
  4. Step 4: Simplify right side
    56,775.90x = 1,646,775,017.64
  5. Step 5: Solve for x
    x = 1,646,775,017.64/56,775.90
  6. Step 6: Final answer
    x = 29,004.82

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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.