Home / 55,685.24-76,802.28-34,476.20

Finding the Fourth Proportional to 55,685.24, 76,802.28 and 34,476.20

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Solution

The fourth proportional to 55,685.24, 76,802.28 and 34,476.20 is: 47,550.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,685.24 : 76,802.28 = 34,476.20 : x
  2. Step 2: Convert to fraction form
    55,685.24/76,802.28 = 34,476.20/x
  3. Step 3: Cross multiply
    55,685.24x = 76,802.28 × 34,476.20
  4. Step 4: Simplify right side
    55,685.24x = 2,647,850,765.74
  5. Step 5: Solve for x
    x = 2,647,850,765.74/55,685.24
  6. Step 6: Final answer
    x = 47,550.32

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1.5x scale

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.