Home / 49,870.96-74,741.79-20,254.39

Finding the Fourth Proportional to 49,870.96, 74,741.79 and 20,254.39

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Solution

The fourth proportional to 49,870.96, 74,741.79 and 20,254.39 is: 30,355.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,870.96 : 74,741.79 = 20,254.39 : x
  2. Step 2: Convert to fraction form
    49,870.96/74,741.79 = 20,254.39/x
  3. Step 3: Cross multiply
    49,870.96x = 74,741.79 × 20,254.39
  4. Step 4: Simplify right side
    49,870.96x = 1,513,849,363.96
  5. Step 5: Solve for x
    x = 1,513,849,363.96/49,870.96
  6. Step 6: Final answer
    x = 30,355.33

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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.