Home / 32,031.03-47,953.13-18,663.21

Finding the Fourth Proportional to 32,031.03, 47,953.13 and 18,663.21

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Solution

The fourth proportional to 32,031.03, 47,953.13 and 18,663.21 is: 27,940.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,031.03 : 47,953.13 = 18,663.21 : x
  2. Step 2: Convert to fraction form
    32,031.03/47,953.13 = 18,663.21/x
  3. Step 3: Cross multiply
    32,031.03x = 47,953.13 × 18,663.21
  4. Step 4: Simplify right side
    32,031.03x = 894,959,242.03
  5. Step 5: Solve for x
    x = 894,959,242.03/32,031.03
  6. Step 6: Final answer
    x = 27,940.38

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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.