Home / 35,406.28-48,860.40-19,491

Finding the Fourth Proportional to 35,406.28, 48,860.40 and 19,491

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Solution

The fourth proportional to 35,406.28, 48,860.40 and 19,491 is: 26,897.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,406.28 : 48,860.40 = 19,491 : x
  2. Step 2: Convert to fraction form
    35,406.28/48,860.40 = 19,491/x
  3. Step 3: Cross multiply
    35,406.28x = 48,860.40 × 19,491
  4. Step 4: Simplify right side
    35,406.28x = 952,338,056.40
  5. Step 5: Solve for x
    x = 952,338,056.40/35,406.28
  6. Step 6: Final answer
    x = 26,897.43

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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.