Home / 38,467.32-53,084.70-21,470.58

Finding the Fourth Proportional to 38,467.32, 53,084.70 and 21,470.58

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Solution

The fourth proportional to 38,467.32, 53,084.70 and 21,470.58 is: 29,629.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,467.32 : 53,084.70 = 21,470.58 : x
  2. Step 2: Convert to fraction form
    38,467.32/53,084.70 = 21,470.58/x
  3. Step 3: Cross multiply
    38,467.32x = 53,084.70 × 21,470.58
  4. Step 4: Simplify right side
    38,467.32x = 1,139,759,298.13
  5. Step 5: Solve for x
    x = 1,139,759,298.13/38,467.32
  6. Step 6: Final answer
    x = 29,629.29

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Double scale
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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.