Home / 40,867.88-56,363.80-34,509.20

Finding the Fourth Proportional to 40,867.88, 56,363.80 and 34,509.20

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Solution

The fourth proportional to 40,867.88, 56,363.80 and 34,509.20 is: 47,594.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,867.88 : 56,363.80 = 34,509.20 : x
  2. Step 2: Convert to fraction form
    40,867.88/56,363.80 = 34,509.20/x
  3. Step 3: Cross multiply
    40,867.88x = 56,363.80 × 34,509.20
  4. Step 4: Simplify right side
    40,867.88x = 1,945,069,646.96
  5. Step 5: Solve for x
    x = 1,945,069,646.96/40,867.88
  6. Step 6: Final answer
    x = 47,594.09

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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.