Home / 56,863.32-85,298.28-17,420.77

Finding the Fourth Proportional to 56,863.32, 85,298.28 and 17,420.77

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Solution

The fourth proportional to 56,863.32, 85,298.28 and 17,420.77 is: 26,132.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,863.32 : 85,298.28 = 17,420.77 : x
  2. Step 2: Convert to fraction form
    56,863.32/85,298.28 = 17,420.77/x
  3. Step 3: Cross multiply
    56,863.32x = 85,298.28 × 17,420.77
  4. Step 4: Simplify right side
    56,863.32x = 1,485,961,717.28
  5. Step 5: Solve for x
    x = 1,485,961,717.28/56,863.32
  6. Step 6: Final answer
    x = 26,132.17

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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.