Home / 50,838.84-70,160.38-28,180.51

Finding the Fourth Proportional to 50,838.84, 70,160.38 and 28,180.51

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Solution

The fourth proportional to 50,838.84, 70,160.38 and 28,180.51 is: 38,890.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,838.84 : 70,160.38 = 28,180.51 : x
  2. Step 2: Convert to fraction form
    50,838.84/70,160.38 = 28,180.51/x
  3. Step 3: Cross multiply
    50,838.84x = 70,160.38 × 28,180.51
  4. Step 4: Simplify right side
    50,838.84x = 1,977,155,044.34
  5. Step 5: Solve for x
    x = 1,977,155,044.34/50,838.84
  6. Step 6: Final answer
    x = 38,890.64

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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.