Home / 40,328.04-55,652.52-22,421.98

Finding the Fourth Proportional to 40,328.04, 55,652.52 and 22,421.98

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Solution

The fourth proportional to 40,328.04, 55,652.52 and 22,421.98 is: 30,942.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,328.04 : 55,652.52 = 22,421.98 : x
  2. Step 2: Convert to fraction form
    40,328.04/55,652.52 = 22,421.98/x
  3. Step 3: Cross multiply
    40,328.04x = 55,652.52 × 22,421.98
  4. Step 4: Simplify right side
    40,328.04x = 1,247,839,717.91
  5. Step 5: Solve for x
    x = 1,247,839,717.91/40,328.04
  6. Step 6: Final answer
    x = 30,942.23

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1.5x scale

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.