Home / 56,762.34-85,143.51-17,319.66

Finding the Fourth Proportional to 56,762.34, 85,143.51 and 17,319.66

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Solution

The fourth proportional to 56,762.34, 85,143.51 and 17,319.66 is: 25,979.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,762.34 : 85,143.51 = 17,319.66 : x
  2. Step 2: Convert to fraction form
    56,762.34/85,143.51 = 17,319.66/x
  3. Step 3: Cross multiply
    56,762.34x = 85,143.51 × 17,319.66
  4. Step 4: Simplify right side
    56,762.34x = 1,474,656,644.41
  5. Step 5: Solve for x
    x = 1,474,656,644.41/56,762.34
  6. Step 6: Final answer
    x = 25,979.49

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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.