Home / 50,763.68-70,052.10-28,102.72

Finding the Fourth Proportional to 50,763.68, 70,052.10 and 28,102.72

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Solution

The fourth proportional to 50,763.68, 70,052.10 and 28,102.72 is: 38,780.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,763.68 : 70,052.10 = 28,102.72 : x
  2. Step 2: Convert to fraction form
    50,763.68/70,052.10 = 28,102.72/x
  3. Step 3: Cross multiply
    50,763.68x = 70,052.10 × 28,102.72
  4. Step 4: Simplify right side
    50,763.68x = 1,968,654,551.71
  5. Step 5: Solve for x
    x = 1,968,654,551.71/50,763.68
  6. Step 6: Final answer
    x = 38,780.77

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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.