Home / 42,663.32-63,943.09-30,186.95

Finding the Fourth Proportional to 42,663.32, 63,943.09 and 30,186.95

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Solution

The fourth proportional to 42,663.32, 63,943.09 and 30,186.95 is: 45,243.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,663.32 : 63,943.09 = 30,186.95 : x
  2. Step 2: Convert to fraction form
    42,663.32/63,943.09 = 30,186.95/x
  3. Step 3: Cross multiply
    42,663.32x = 63,943.09 × 30,186.95
  4. Step 4: Simplify right side
    42,663.32x = 1,930,246,465.49
  5. Step 5: Solve for x
    x = 1,930,246,465.49/42,663.32
  6. Step 6: Final answer
    x = 45,243.70

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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.