Home / 50,477.29-75,667.74-18,878.79

Finding the Fourth Proportional to 50,477.29, 75,667.74 and 18,878.79

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Solution

The fourth proportional to 50,477.29, 75,667.74 and 18,878.79 is: 28,300.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,477.29 : 75,667.74 = 18,878.79 : x
  2. Step 2: Convert to fraction form
    50,477.29/75,667.74 = 18,878.79/x
  3. Step 3: Cross multiply
    50,477.29x = 75,667.74 × 18,878.79
  4. Step 4: Simplify right side
    50,477.29x = 1,428,515,373.23
  5. Step 5: Solve for x
    x = 1,428,515,373.23/50,477.29
  6. Step 6: Final answer
    x = 28,300.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.