Home / 39,546.15-54,573.69-21,641.16

Finding the Fourth Proportional to 39,546.15, 54,573.69 and 21,641.16

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Solution

The fourth proportional to 39,546.15, 54,573.69 and 21,641.16 is: 29,864.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,546.15 : 54,573.69 = 21,641.16 : x
  2. Step 2: Convert to fraction form
    39,546.15/54,573.69 = 21,641.16/x
  3. Step 3: Cross multiply
    39,546.15x = 54,573.69 × 21,641.16
  4. Step 4: Simplify right side
    39,546.15x = 1,181,038,039.41
  5. Step 5: Solve for x
    x = 1,181,038,039.41/39,546.15
  6. Step 6: Final answer
    x = 29,864.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.