Home / 56,159.28-77,467.32-36,287.28

Finding the Fourth Proportional to 56,159.28, 77,467.32 and 36,287.28

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Solution

The fourth proportional to 56,159.28, 77,467.32 and 36,287.28 is: 50,055.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,159.28 : 77,467.32 = 36,287.28 : x
  2. Step 2: Convert to fraction form
    56,159.28/77,467.32 = 36,287.28/x
  3. Step 3: Cross multiply
    56,159.28x = 77,467.32 × 36,287.28
  4. Step 4: Simplify right side
    56,159.28x = 2,811,078,331.69
  5. Step 5: Solve for x
    x = 2,811,078,331.69/56,159.28
  6. Step 6: Final answer
    x = 50,055.46

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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.