Home / 50,756.87-70,042.69-28,095.91

Finding the Fourth Proportional to 50,756.87, 70,042.69 and 28,095.91

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Solution

The fourth proportional to 50,756.87, 70,042.69 and 28,095.91 is: 38,771.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,756.87 : 70,042.69 = 28,095.91 : x
  2. Step 2: Convert to fraction form
    50,756.87/70,042.69 = 28,095.91/x
  3. Step 3: Cross multiply
    50,756.87x = 70,042.69 × 28,095.91
  4. Step 4: Simplify right side
    50,756.87x = 1,967,913,114.40
  5. Step 5: Solve for x
    x = 1,967,913,114.40/50,756.87
  6. Step 6: Final answer
    x = 38,771.36

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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.