Home / 55,740.20-76,862.84-42,995.45

Finding the Fourth Proportional to 55,740.20, 76,862.84 and 42,995.45

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Solution

The fourth proportional to 55,740.20, 76,862.84 and 42,995.45 is: 59,288.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,740.20 : 76,862.84 = 42,995.45 : x
  2. Step 2: Convert to fraction form
    55,740.20/76,862.84 = 42,995.45/x
  3. Step 3: Cross multiply
    55,740.20x = 76,862.84 × 42,995.45
  4. Step 4: Simplify right side
    55,740.20x = 3,304,751,794.79
  5. Step 5: Solve for x
    x = 3,304,751,794.79/55,740.20
  6. Step 6: Final answer
    x = 59,288.49

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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.