Home / 40,838.28-61,220.51-28,364.18

Finding the Fourth Proportional to 40,838.28, 61,220.51 and 28,364.18

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Solution

The fourth proportional to 40,838.28, 61,220.51 and 28,364.18 is: 42,520.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,838.28 : 61,220.51 = 28,364.18 : x
  2. Step 2: Convert to fraction form
    40,838.28/61,220.51 = 28,364.18/x
  3. Step 3: Cross multiply
    40,838.28x = 61,220.51 × 28,364.18
  4. Step 4: Simplify right side
    40,838.28x = 1,736,469,223.77
  5. Step 5: Solve for x
    x = 1,736,469,223.77/40,838.28
  6. Step 6: Final answer
    x = 42,520.63

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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.