Home / 50,699.13-69,965.40-28,039.98

Finding the Fourth Proportional to 50,699.13, 69,965.40 and 28,039.98

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Solution

The fourth proportional to 50,699.13, 69,965.40 and 28,039.98 is: 38,695.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,699.13 : 69,965.40 = 28,039.98 : x
  2. Step 2: Convert to fraction form
    50,699.13/69,965.40 = 28,039.98/x
  3. Step 3: Cross multiply
    50,699.13x = 69,965.40 × 28,039.98
  4. Step 4: Simplify right side
    50,699.13x = 1,961,828,416.69
  5. Step 5: Solve for x
    x = 1,961,828,416.69/50,699.13
  6. Step 6: Final answer
    x = 38,695.50

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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.