Home / 51,422.64-77,135.64-17,688.31

Finding the Fourth Proportional to 51,422.64, 77,135.64 and 17,688.31

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Solution

The fourth proportional to 51,422.64, 77,135.64 and 17,688.31 is: 26,533.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,422.64 : 77,135.64 = 17,688.31 : x
  2. Step 2: Convert to fraction form
    51,422.64/77,135.64 = 17,688.31/x
  3. Step 3: Cross multiply
    51,422.64x = 77,135.64 × 17,688.31
  4. Step 4: Simplify right side
    51,422.64x = 1,364,398,853.20
  5. Step 5: Solve for x
    x = 1,364,398,853.20/51,422.64
  6. Step 6: Final answer
    x = 26,533.04

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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.