Home / 42,087.84-62,786.80-40,943.76

Finding the Fourth Proportional to 42,087.84, 62,786.80 and 40,943.76

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Solution

The fourth proportional to 42,087.84, 62,786.80 and 40,943.76 is: 61,080.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,087.84 : 62,786.80 = 40,943.76 : x
  2. Step 2: Convert to fraction form
    42,087.84/62,786.80 = 40,943.76/x
  3. Step 3: Cross multiply
    42,087.84x = 62,786.80 × 40,943.76
  4. Step 4: Simplify right side
    42,087.84x = 2,570,727,670.37
  5. Step 5: Solve for x
    x = 2,570,727,670.37/42,087.84
  6. Step 6: Final answer
    x = 61,080.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.