Home / 45,954.88-63,420.28-28,044.72

Finding the Fourth Proportional to 45,954.88, 63,420.28 and 28,044.72

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Solution

The fourth proportional to 45,954.88, 63,420.28 and 28,044.72 is: 38,703.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,954.88 : 63,420.28 = 28,044.72 : x
  2. Step 2: Convert to fraction form
    45,954.88/63,420.28 = 28,044.72/x
  3. Step 3: Cross multiply
    45,954.88x = 63,420.28 × 28,044.72
  4. Step 4: Simplify right side
    45,954.88x = 1,778,603,994.92
  5. Step 5: Solve for x
    x = 1,778,603,994.92/45,954.88
  6. Step 6: Final answer
    x = 38,703.27

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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.