Home / 39,040,373.01-53,875,719.75-21,637,841.74

Finding the Fourth Proportional to 39,040,373.01, 53,875,719.75 and 21,637,841.74

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Solution

The fourth proportional to 39,040,373.01, 53,875,719.75 and 21,637,841.74 is: 29,860,224.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,040,373.01 : 53,875,719.75 = 21,637,841.74 : x
  2. Step 2: Convert to fraction form
    39,040,373.01/53,875,719.75 = 21,637,841.74/x
  3. Step 3: Cross multiply
    39,040,373.01x = 53,875,719.75 × 21,637,841.74
  4. Step 4: Simplify right side
    39,040,373.01x = 1,165,754,297,579,092.25
  5. Step 5: Solve for x
    x = 1,165,754,297,579,092.25/39,040,373.01
  6. Step 6: Final answer
    x = 29,860,224.37

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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.