Home / 39,031,611.67-53,864,805-21,626,328.43

Finding the Fourth Proportional to 39,031,611.67, 53,864,805 and 21,626,328.43

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Solution

The fourth proportional to 39,031,611.67, 53,864,805 and 21,626,328.43 is: 29,844,987.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,031,611.67 : 53,864,805 = 21,626,328.43 : x
  2. Step 2: Convert to fraction form
    39,031,611.67/53,864,805 = 21,626,328.43/x
  3. Step 3: Cross multiply
    39,031,611.67x = 53,864,805 × 21,626,328.43
  4. Step 4: Simplify right side
    39,031,611.67x = 1,164,897,963,747,906.25
  5. Step 5: Solve for x
    x = 1,164,897,963,747,906.25/39,031,611.67
  6. Step 6: Final answer
    x = 29,844,987.53

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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.