Home / 50,818.86-70,165.04-38,861.37

Finding the Fourth Proportional to 50,818.86, 70,165.04 and 38,861.37

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Solution

The fourth proportional to 50,818.86, 70,165.04 and 38,861.37 is: 53,655.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,818.86 : 70,165.04 = 38,861.37 : x
  2. Step 2: Convert to fraction form
    50,818.86/70,165.04 = 38,861.37/x
  3. Step 3: Cross multiply
    50,818.86x = 70,165.04 × 38,861.37
  4. Step 4: Simplify right side
    50,818.86x = 2,726,709,386.20
  5. Step 5: Solve for x
    x = 2,726,709,386.20/50,818.86
  6. Step 6: Final answer
    x = 53,655.46

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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.