Home / 33,031.86-45,582.51-18,885.63

Finding the Fourth Proportional to 33,031.86, 45,582.51 and 18,885.63

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Solution

The fourth proportional to 33,031.86, 45,582.51 and 18,885.63 is: 26,061.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,031.86 : 45,582.51 = 18,885.63 : x
  2. Step 2: Convert to fraction form
    33,031.86/45,582.51 = 18,885.63/x
  3. Step 3: Cross multiply
    33,031.86x = 45,582.51 × 18,885.63
  4. Step 4: Simplify right side
    33,031.86x = 860,854,418.33
  5. Step 5: Solve for x
    x = 860,854,418.33/33,031.86
  6. Step 6: Final answer
    x = 26,061.34

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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.