Home / 42,799.12-64,051.64-26,996.84

Finding the Fourth Proportional to 42,799.12, 64,051.64 and 26,996.84

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Solution

The fourth proportional to 42,799.12, 64,051.64 and 26,996.84 is: 40,402.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,799.12 : 64,051.64 = 26,996.84 : x
  2. Step 2: Convert to fraction form
    42,799.12/64,051.64 = 26,996.84/x
  3. Step 3: Cross multiply
    42,799.12x = 64,051.64 × 26,996.84
  4. Step 4: Simplify right side
    42,799.12x = 1,729,191,876.82
  5. Step 5: Solve for x
    x = 1,729,191,876.82/42,799.12
  6. Step 6: Final answer
    x = 40,402.51

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1.5x scale

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.