Home / 38,024,376.48-52,475,858.91-21,505,965.48

Finding the Fourth Proportional to 38,024,376.48, 52,475,858.91 and 21,505,965.48

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Solution

The fourth proportional to 38,024,376.48, 52,475,858.91 and 21,505,965.48 is: 29,679,487.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,024,376.48 : 52,475,858.91 = 21,505,965.48 : x
  2. Step 2: Convert to fraction form
    38,024,376.48/52,475,858.91 = 21,505,965.48/x
  3. Step 3: Cross multiply
    38,024,376.48x = 52,475,858.91 × 21,505,965.48
  4. Step 4: Simplify right side
    38,024,376.48x = 1,128,544,010,251,810.25
  5. Step 5: Solve for x
    x = 1,128,544,010,251,810.25/38,024,376.48
  6. Step 6: Final answer
    x = 29,679,487.60

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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.