Home / 35,402.81-48,851.57-21,063.06

Finding the Fourth Proportional to 35,402.81, 48,851.57 and 21,063.06

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Solution

The fourth proportional to 35,402.81, 48,851.57 and 21,063.06 is: 29,064.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,402.81 : 48,851.57 = 21,063.06 : x
  2. Step 2: Convert to fraction form
    35,402.81/48,851.57 = 21,063.06/x
  3. Step 3: Cross multiply
    35,402.81x = 48,851.57 × 21,063.06
  4. Step 4: Simplify right side
    35,402.81x = 1,028,963,602.66
  5. Step 5: Solve for x
    x = 1,028,963,602.66/35,402.81
  6. Step 6: Final answer
    x = 29,064.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.