Home / 39,031,603.88-53,864,794.33-21,626,320.64

Finding the Fourth Proportional to 39,031,603.88, 53,864,794.33 and 21,626,320.64

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Solution

The fourth proportional to 39,031,603.88, 53,864,794.33 and 21,626,320.64 is: 29,844,976.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,031,603.88 : 53,864,794.33 = 21,626,320.64 : x
  2. Step 2: Convert to fraction form
    39,031,603.88/53,864,794.33 = 21,626,320.64/x
  3. Step 3: Cross multiply
    39,031,603.88x = 53,864,794.33 × 21,626,320.64
  4. Step 4: Simplify right side
    39,031,603.88x = 1,164,897,313,064,844.25
  5. Step 5: Solve for x
    x = 1,164,897,313,064,844.25/39,031,603.88
  6. Step 6: Final answer
    x = 29,844,976.82

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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.