Home / 49,799.40-68,719.20-28,574.16

Finding the Fourth Proportional to 49,799.40, 68,719.20 and 28,574.16

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Solution

The fourth proportional to 49,799.40, 68,719.20 and 28,574.16 is: 39,430.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,799.40 : 68,719.20 = 28,574.16 : x
  2. Step 2: Convert to fraction form
    49,799.40/68,719.20 = 28,574.16/x
  3. Step 3: Cross multiply
    49,799.40x = 68,719.20 × 28,574.16
  4. Step 4: Simplify right side
    49,799.40x = 1,963,593,415.87
  5. Step 5: Solve for x
    x = 1,963,593,415.87/49,799.40
  6. Step 6: Final answer
    x = 39,430.06

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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.