Home / 50,738.60-70,018.22-28,077.58

Finding the Fourth Proportional to 50,738.60, 70,018.22 and 28,077.58

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Solution

The fourth proportional to 50,738.60, 70,018.22 and 28,077.58 is: 38,746.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,738.60 : 70,018.22 = 28,077.58 : x
  2. Step 2: Convert to fraction form
    50,738.60/70,018.22 = 28,077.58/x
  3. Step 3: Cross multiply
    50,738.60x = 70,018.22 × 28,077.58
  4. Step 4: Simplify right side
    50,738.60x = 1,965,941,823.42
  5. Step 5: Solve for x
    x = 1,965,941,823.42/50,738.60
  6. Step 6: Final answer
    x = 38,746.47

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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.