Home / 42,632.63-63,960.64-18,618.91

Finding the Fourth Proportional to 42,632.63, 63,960.64 and 18,618.91

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Solution

The fourth proportional to 42,632.63, 63,960.64 and 18,618.91 is: 27,933.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,632.63 : 63,960.64 = 18,618.91 : x
  2. Step 2: Convert to fraction form
    42,632.63/63,960.64 = 18,618.91/x
  3. Step 3: Cross multiply
    42,632.63x = 63,960.64 × 18,618.91
  4. Step 4: Simplify right side
    42,632.63x = 1,190,877,553.03
  5. Step 5: Solve for x
    x = 1,190,877,553.03/42,632.63
  6. Step 6: Final answer
    x = 27,933.48

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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.