Home / 49,364.10-74,009.70-21,261.15

Finding the Fourth Proportional to 49,364.10, 74,009.70 and 21,261.15

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Solution

The fourth proportional to 49,364.10, 74,009.70 and 21,261.15 is: 31,876.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,364.10 : 74,009.70 = 21,261.15 : x
  2. Step 2: Convert to fraction form
    49,364.10/74,009.70 = 21,261.15/x
  3. Step 3: Cross multiply
    49,364.10x = 74,009.70 × 21,261.15
  4. Step 4: Simplify right side
    49,364.10x = 1,573,531,333.16
  5. Step 5: Solve for x
    x = 1,573,531,333.16/49,364.10
  6. Step 6: Final answer
    x = 31,876.03

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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.