Home / 35,811.95-49,420.52-19,897.88

Finding the Fourth Proportional to 35,811.95, 49,420.52 and 19,897.88

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Solution

The fourth proportional to 35,811.95, 49,420.52 and 19,897.88 is: 27,459.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,811.95 : 49,420.52 = 19,897.88 : x
  2. Step 2: Convert to fraction form
    35,811.95/49,420.52 = 19,897.88/x
  3. Step 3: Cross multiply
    35,811.95x = 49,420.52 × 19,897.88
  4. Step 4: Simplify right side
    35,811.95x = 983,363,229.91
  5. Step 5: Solve for x
    x = 983,363,229.91/35,811.95
  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.