Home / 42,655.68-63,992.88-13,075.74

Finding the Fourth Proportional to 42,655.68, 63,992.88 and 13,075.74

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Solution

The fourth proportional to 42,655.68, 63,992.88 and 13,075.74 is: 19,616.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,655.68 : 63,992.88 = 13,075.74 : x
  2. Step 2: Convert to fraction form
    42,655.68/63,992.88 = 13,075.74/x
  3. Step 3: Cross multiply
    42,655.68x = 63,992.88 × 13,075.74
  4. Step 4: Simplify right side
    42,655.68x = 836,754,260.73
  5. Step 5: Solve for x
    x = 836,754,260.73/42,655.68
  6. Step 6: Final answer
    x = 19,616.48

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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.