Home / 49,675.84-74,528.96-20,088.16

Finding the Fourth Proportional to 49,675.84, 74,528.96 and 20,088.16

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Solution

The fourth proportional to 49,675.84, 74,528.96 and 20,088.16 is: 30,138.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,675.84 : 74,528.96 = 20,088.16 : x
  2. Step 2: Convert to fraction form
    49,675.84/74,528.96 = 20,088.16/x
  3. Step 3: Cross multiply
    49,675.84x = 74,528.96 × 20,088.16
  4. Step 4: Simplify right side
    49,675.84x = 1,497,149,673.11
  5. Step 5: Solve for x
    x = 1,497,149,673.11/49,675.84
  6. Step 6: Final answer
    x = 30,138.39

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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.