Home / 49,449.48-74,156.76-21,368.40

Finding the Fourth Proportional to 49,449.48, 74,156.76 and 21,368.40

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Solution

The fourth proportional to 49,449.48, 74,156.76 and 21,368.40 is: 32,045.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,449.48 : 74,156.76 = 21,368.40 : x
  2. Step 2: Convert to fraction form
    49,449.48/74,156.76 = 21,368.40/x
  3. Step 3: Cross multiply
    49,449.48x = 74,156.76 × 21,368.40
  4. Step 4: Simplify right side
    49,449.48x = 1,584,611,310.38
  5. Step 5: Solve for x
    x = 1,584,611,310.38/49,449.48
  6. Step 6: Final answer
    x = 32,045.06

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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.