Home / 42,754.20-64,145.52-26,940.96

Finding the Fourth Proportional to 42,754.20, 64,145.52 and 26,940.96

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Solution

The fourth proportional to 42,754.20, 64,145.52 and 26,940.96 is: 40,420.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,754.20 : 64,145.52 = 26,940.96 : x
  2. Step 2: Convert to fraction form
    42,754.20/64,145.52 = 26,940.96/x
  3. Step 3: Cross multiply
    42,754.20x = 64,145.52 × 26,940.96
  4. Step 4: Simplify right side
    42,754.20x = 1,728,141,888.50
  5. Step 5: Solve for x
    x = 1,728,141,888.50/42,754.20
  6. Step 6: Final answer
    x = 40,420.40

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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.