Home / 50,031.51-75,073.13-21,971.28

Finding the Fourth Proportional to 50,031.51, 75,073.13 and 21,971.28

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Solution

The fourth proportional to 50,031.51, 75,073.13 and 21,971.28 is: 32,968.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,031.51 : 75,073.13 = 21,971.28 : x
  2. Step 2: Convert to fraction form
    50,031.51/75,073.13 = 21,971.28/x
  3. Step 3: Cross multiply
    50,031.51x = 75,073.13 × 21,971.28
  4. Step 4: Simplify right side
    50,031.51x = 1,649,453,013.77
  5. Step 5: Solve for x
    x = 1,649,453,013.77/50,031.51
  6. Step 6: Final answer
    x = 32,968.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.