Home / 40,007.84-55,210.64-22,102.85

Finding the Fourth Proportional to 40,007.84, 55,210.64 and 22,102.85

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Solution

The fourth proportional to 40,007.84, 55,210.64 and 22,102.85 is: 30,501.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,007.84 : 55,210.64 = 22,102.85 : x
  2. Step 2: Convert to fraction form
    40,007.84/55,210.64 = 22,102.85/x
  3. Step 3: Cross multiply
    40,007.84x = 55,210.64 × 22,102.85
  4. Step 4: Simplify right side
    40,007.84x = 1,220,312,521.84
  5. Step 5: Solve for x
    x = 1,220,312,521.84/40,007.84
  6. Step 6: Final answer
    x = 30,501.84

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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.