Home / 45,298.68-67,926.04-18,996.36

Finding the Fourth Proportional to 45,298.68, 67,926.04 and 18,996.36

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Solution

The fourth proportional to 45,298.68, 67,926.04 and 18,996.36 is: 28,485.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,298.68 : 67,926.04 = 18,996.36 : x
  2. Step 2: Convert to fraction form
    45,298.68/67,926.04 = 18,996.36/x
  3. Step 3: Cross multiply
    45,298.68x = 67,926.04 × 18,996.36
  4. Step 4: Simplify right side
    45,298.68x = 1,290,347,509.21
  5. Step 5: Solve for x
    x = 1,290,347,509.21/45,298.68
  6. Step 6: Final answer
    x = 28,485.32

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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.