Home / 42,066.59-63,047.27-21,012.51

Finding the Fourth Proportional to 42,066.59, 63,047.27 and 21,012.51

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Solution

The fourth proportional to 42,066.59, 63,047.27 and 21,012.51 is: 31,492.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,066.59 : 63,047.27 = 21,012.51 : x
  2. Step 2: Convert to fraction form
    42,066.59/63,047.27 = 21,012.51/x
  3. Step 3: Cross multiply
    42,066.59x = 63,047.27 × 21,012.51
  4. Step 4: Simplify right side
    42,066.59x = 1,324,781,207.47
  5. Step 5: Solve for x
    x = 1,324,781,207.47/42,066.59
  6. Step 6: Final answer
    x = 31,492.48

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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.