Home / 50,698.40-69,960.96-28,036.02

Finding the Fourth Proportional to 50,698.40, 69,960.96 and 28,036.02

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Solution

The fourth proportional to 50,698.40, 69,960.96 and 28,036.02 is: 38,688.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,698.40 : 69,960.96 = 28,036.02 : x
  2. Step 2: Convert to fraction form
    50,698.40/69,960.96 = 28,036.02/x
  3. Step 3: Cross multiply
    50,698.40x = 69,960.96 × 28,036.02
  4. Step 4: Simplify right side
    50,698.40x = 1,961,426,873.78
  5. Step 5: Solve for x
    x = 1,961,426,873.78/50,698.40
  6. Step 6: Final answer
    x = 38,688.14

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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.