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Finding the Fourth Proportional to 56,999.81, 85,499.73 and 15,446.81

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Solution

The fourth proportional to 56,999.81, 85,499.73 and 15,446.81 is: 23,170.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,999.81 : 85,499.73 = 15,446.81 : x
  2. Step 2: Convert to fraction form
    56,999.81/85,499.73 = 15,446.81/x
  3. Step 3: Cross multiply
    56,999.81x = 85,499.73 × 15,446.81
  4. Step 4: Simplify right side
    56,999.81x = 1,320,698,298.11
  5. Step 5: Solve for x
    x = 1,320,698,298.11/56,999.81
  6. Step 6: Final answer
    x = 23,170.22

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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.