Home / 56,977.32-85,465.70-15,424.32

Finding the Fourth Proportional to 56,977.32, 85,465.70 and 15,424.32

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Solution

The fourth proportional to 56,977.32, 85,465.70 and 15,424.32 is: 23,136.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,977.32 : 85,465.70 = 15,424.32 : x
  2. Step 2: Convert to fraction form
    56,977.32/85,465.70 = 15,424.32/x
  3. Step 3: Cross multiply
    56,977.32x = 85,465.70 × 15,424.32
  4. Step 4: Simplify right side
    56,977.32x = 1,318,250,305.82
  5. Step 5: Solve for x
    x = 1,318,250,305.82/56,977.32
  6. Step 6: Final answer
    x = 23,136.40

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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.