Home / 50,772.16-70,065.60-28,416

Finding the Fourth Proportional to 50,772.16, 70,065.60 and 28,416

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Solution

The fourth proportional to 50,772.16, 70,065.60 and 28,416 is: 39,214.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,772.16 : 70,065.60 = 28,416 : x
  2. Step 2: Convert to fraction form
    50,772.16/70,065.60 = 28,416/x
  3. Step 3: Cross multiply
    50,772.16x = 70,065.60 × 28,416
  4. Step 4: Simplify right side
    50,772.16x = 1,990,984,089.60
  5. Step 5: Solve for x
    x = 1,990,984,089.60/50,772.16
  6. Step 6: Final answer
    x = 39,214.09

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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.