Home / 45,360-62,431.56-39,946.91

Finding the Fourth Proportional to 45,360, 62,431.56 and 39,946.91

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Solution

The fourth proportional to 45,360, 62,431.56 and 39,946.91 is: 54,981.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,360 : 62,431.56 = 39,946.91 : x
  2. Step 2: Convert to fraction form
    45,360/62,431.56 = 39,946.91/x
  3. Step 3: Cross multiply
    45,360x = 62,431.56 × 39,946.91
  4. Step 4: Simplify right side
    45,360x = 2,493,947,596.32
  5. Step 5: Solve for x
    x = 2,493,947,596.32/45,360
  6. Step 6: Final answer
    x = 54,981.21

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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.