Home / 50,776.08-70,068.69-28,113.48

Finding the Fourth Proportional to 50,776.08, 70,068.69 and 28,113.48

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Solution

The fourth proportional to 50,776.08, 70,068.69 and 28,113.48 is: 38,795.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,776.08 : 70,068.69 = 28,113.48 : x
  2. Step 2: Convert to fraction form
    50,776.08/70,068.69 = 28,113.48/x
  3. Step 3: Cross multiply
    50,776.08x = 70,068.69 × 28,113.48
  4. Step 4: Simplify right side
    50,776.08x = 1,969,874,714.94
  5. Step 5: Solve for x
    x = 1,969,874,714.94/50,776.08
  6. Step 6: Final answer
    x = 38,795.33

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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.