Home / 50,763.47-70,053.71-28,103.10

Finding the Fourth Proportional to 50,763.47, 70,053.71 and 28,103.10

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Solution

The fourth proportional to 50,763.47, 70,053.71 and 28,103.10 is: 38,782.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,763.47 : 70,053.71 = 28,103.10 : x
  2. Step 2: Convert to fraction form
    50,763.47/70,053.71 = 28,103.10/x
  3. Step 3: Cross multiply
    50,763.47x = 70,053.71 × 28,103.10
  4. Step 4: Simplify right side
    50,763.47x = 1,968,726,276.99
  5. Step 5: Solve for x
    x = 1,968,726,276.99/50,763.47
  6. Step 6: Final answer
    x = 38,782.35

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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.