Home / 38,476.09-53,097.85-21,248.41

Finding the Fourth Proportional to 38,476.09, 53,097.85 and 21,248.41

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Solution

The fourth proportional to 38,476.09, 53,097.85 and 21,248.41 is: 29,323.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,476.09 : 53,097.85 = 21,248.41 : x
  2. Step 2: Convert to fraction form
    38,476.09/53,097.85 = 21,248.41/x
  3. Step 3: Cross multiply
    38,476.09x = 53,097.85 × 21,248.41
  4. Step 4: Simplify right side
    38,476.09x = 1,128,244,515.19
  5. Step 5: Solve for x
    x = 1,128,244,515.19/38,476.09
  6. Step 6: Final answer
    x = 29,323.26

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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.