Home / 49,459.69-74,192.96-19,877.55

Finding the Fourth Proportional to 49,459.69, 74,192.96 and 19,877.55

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Solution

The fourth proportional to 49,459.69, 74,192.96 and 19,877.55 is: 29,817.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,459.69 : 74,192.96 = 19,877.55 : x
  2. Step 2: Convert to fraction form
    49,459.69/74,192.96 = 19,877.55/x
  3. Step 3: Cross multiply
    49,459.69x = 74,192.96 × 19,877.55
  4. Step 4: Simplify right side
    49,459.69x = 1,474,774,272.05
  5. Step 5: Solve for x
    x = 1,474,774,272.05/49,459.69
  6. Step 6: Final answer
    x = 29,817.70

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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.