Home / 35,811.71-49,421.28-19,897.43

Finding the Fourth Proportional to 35,811.71, 49,421.28 and 19,897.43

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Solution

The fourth proportional to 35,811.71, 49,421.28 and 19,897.43 is: 27,459.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,811.71 : 49,421.28 = 19,897.43 : x
  2. Step 2: Convert to fraction form
    35,811.71/49,421.28 = 19,897.43/x
  3. Step 3: Cross multiply
    35,811.71x = 49,421.28 × 19,897.43
  4. Step 4: Simplify right side
    35,811.71x = 983,356,459.31
  5. Step 5: Solve for x
    x = 983,356,459.31/35,811.71
  6. Step 6: Final answer
    x = 27,459.08

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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.