Home / 56,857.53-85,302.70-17,420.46

Finding the Fourth Proportional to 56,857.53, 85,302.70 and 17,420.46

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Solution

The fourth proportional to 56,857.53, 85,302.70 and 17,420.46 is: 26,135.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,857.53 : 85,302.70 = 17,420.46 : x
  2. Step 2: Convert to fraction form
    56,857.53/85,302.70 = 17,420.46/x
  3. Step 3: Cross multiply
    56,857.53x = 85,302.70 × 17,420.46
  4. Step 4: Simplify right side
    56,857.53x = 1,486,012,273.24
  5. Step 5: Solve for x
    x = 1,486,012,273.24/56,857.53
  6. Step 6: Final answer
    x = 26,135.72

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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.