Home / 56,836.32-78,434.64-34,176

Finding the Fourth Proportional to 56,836.32, 78,434.64 and 34,176

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Solution

The fourth proportional to 56,836.32, 78,434.64 and 34,176 is: 47,163.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,836.32 : 78,434.64 = 34,176 : x
  2. Step 2: Convert to fraction form
    56,836.32/78,434.64 = 34,176/x
  3. Step 3: Cross multiply
    56,836.32x = 78,434.64 × 34,176
  4. Step 4: Simplify right side
    56,836.32x = 2,680,582,256.64
  5. Step 5: Solve for x
    x = 2,680,582,256.64/56,836.32
  6. Step 6: Final answer
    x = 47,163.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.