Home / 40,220.84-55,502.04-22,068.74

Finding the Fourth Proportional to 40,220.84, 55,502.04 and 22,068.74

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Solution

The fourth proportional to 40,220.84, 55,502.04 and 22,068.74 is: 30,453.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,220.84 : 55,502.04 = 22,068.74 : x
  2. Step 2: Convert to fraction form
    40,220.84/55,502.04 = 22,068.74/x
  3. Step 3: Cross multiply
    40,220.84x = 55,502.04 × 22,068.74
  4. Step 4: Simplify right side
    40,220.84x = 1,224,859,812.72
  5. Step 5: Solve for x
    x = 1,224,859,812.72/40,220.84
  6. Step 6: Final answer
    x = 30,453.37

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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.