Home / 42,966.84-64,422.30-18,022.88

Finding the Fourth Proportional to 42,966.84, 64,422.30 and 18,022.88

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Solution

The fourth proportional to 42,966.84, 64,422.30 and 18,022.88 is: 27,022.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,966.84 : 64,422.30 = 18,022.88 : x
  2. Step 2: Convert to fraction form
    42,966.84/64,422.30 = 18,022.88/x
  3. Step 3: Cross multiply
    42,966.84x = 64,422.30 × 18,022.88
  4. Step 4: Simplify right side
    42,966.84x = 1,161,075,382.22
  5. Step 5: Solve for x
    x = 1,161,075,382.22/42,966.84
  6. Step 6: Final answer
    x = 27,022.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.