Home / 50,709.02-69,980.91-28,047.92

Finding the Fourth Proportional to 50,709.02, 69,980.91 and 28,047.92

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Solution

The fourth proportional to 50,709.02, 69,980.91 and 28,047.92 is: 38,707.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,709.02 : 69,980.91 = 28,047.92 : x
  2. Step 2: Convert to fraction form
    50,709.02/69,980.91 = 28,047.92/x
  3. Step 3: Cross multiply
    50,709.02x = 69,980.91 × 28,047.92
  4. Step 4: Simplify right side
    50,709.02x = 1,962,818,965.21
  5. Step 5: Solve for x
    x = 1,962,818,965.21/50,709.02
  6. Step 6: Final answer
    x = 38,707.49

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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.