Home / 50,730.85-70,010.63-28,069.47

Finding the Fourth Proportional to 50,730.85, 70,010.63 and 28,069.47

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Solution

The fourth proportional to 50,730.85, 70,010.63 and 28,069.47 is: 38,737.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,730.85 : 70,010.63 = 28,069.47 : x
  2. Step 2: Convert to fraction form
    50,730.85/70,010.63 = 28,069.47/x
  3. Step 3: Cross multiply
    50,730.85x = 70,010.63 × 28,069.47
  4. Step 4: Simplify right side
    50,730.85x = 1,965,161,278.47
  5. Step 5: Solve for x
    x = 1,965,161,278.47/50,730.85
  6. Step 6: Final answer
    x = 38,737.01

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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.