Home / 49,946.84-68,928.74-28,726.13

Finding the Fourth Proportional to 49,946.84, 68,928.74 and 28,726.13

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Solution

The fourth proportional to 49,946.84, 68,928.74 and 28,726.13 is: 39,643.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,946.84 : 68,928.74 = 28,726.13 : x
  2. Step 2: Convert to fraction form
    49,946.84/68,928.74 = 28,726.13/x
  3. Step 3: Cross multiply
    49,946.84x = 68,928.74 × 28,726.13
  4. Step 4: Simplify right side
    49,946.84x = 1,980,055,457.70
  5. Step 5: Solve for x
    x = 1,980,055,457.70/49,946.84
  6. Step 6: Final answer
    x = 39,643.26

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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.