Home / 42,803.04-64,146.24-26,168.88

Finding the Fourth Proportional to 42,803.04, 64,146.24 and 26,168.88

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Solution

The fourth proportional to 42,803.04, 64,146.24 and 26,168.88 is: 39,217.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,803.04 : 64,146.24 = 26,168.88 : x
  2. Step 2: Convert to fraction form
    42,803.04/64,146.24 = 26,168.88/x
  3. Step 3: Cross multiply
    42,803.04x = 64,146.24 × 26,168.88
  4. Step 4: Simplify right side
    42,803.04x = 1,678,635,257.01
  5. Step 5: Solve for x
    x = 1,678,635,257.01/42,803.04
  6. Step 6: Final answer
    x = 39,217.66

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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.