Home / 21,091.51-31,641.17-7,050.19

Finding the Fourth Proportional to 21,091.51, 31,641.17 and 7,050.19

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Solution

The fourth proportional to 21,091.51, 31,641.17 and 7,050.19 is: 10,576.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,091.51 : 31,641.17 = 7,050.19 : x
  2. Step 2: Convert to fraction form
    21,091.51/31,641.17 = 7,050.19/x
  3. Step 3: Cross multiply
    21,091.51x = 31,641.17 × 7,050.19
  4. Step 4: Simplify right side
    21,091.51x = 223,076,260.32
  5. Step 5: Solve for x
    x = 223,076,260.32/21,091.51
  6. Step 6: Final answer
    x = 10,576.59

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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.