Home / 49,530.15-74,298.65-19,948.05

Finding the Fourth Proportional to 49,530.15, 74,298.65 and 19,948.05

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Solution

The fourth proportional to 49,530.15, 74,298.65 and 19,948.05 is: 29,923.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,530.15 : 74,298.65 = 19,948.05 : x
  2. Step 2: Convert to fraction form
    49,530.15/74,298.65 = 19,948.05/x
  3. Step 3: Cross multiply
    49,530.15x = 74,298.65 × 19,948.05
  4. Step 4: Simplify right side
    49,530.15x = 1,482,113,085.39
  5. Step 5: Solve for x
    x = 1,482,113,085.39/49,530.15
  6. Step 6: Final answer
    x = 29,923.45

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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.