Home / 42,578.46-63,876.95-12,995.49

Finding the Fourth Proportional to 42,578.46, 63,876.95 and 12,995.49

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Solution

The fourth proportional to 42,578.46, 63,876.95 and 12,995.49 is: 19,496.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,578.46 : 63,876.95 = 12,995.49 : x
  2. Step 2: Convert to fraction form
    42,578.46/63,876.95 = 12,995.49/x
  3. Step 3: Cross multiply
    42,578.46x = 63,876.95 × 12,995.49
  4. Step 4: Simplify right side
    42,578.46x = 830,112,202.04
  5. Step 5: Solve for x
    x = 830,112,202.04/42,578.46
  6. Step 6: Final answer
    x = 19,496.06

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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.