Home / 30,342.50-45,512.33-10,625.48

Finding the Fourth Proportional to 30,342.50, 45,512.33 and 10,625.48

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Solution

The fourth proportional to 30,342.50, 45,512.33 and 10,625.48 is: 15,937.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,342.50 : 45,512.33 = 10,625.48 : x
  2. Step 2: Convert to fraction form
    30,342.50/45,512.33 = 10,625.48/x
  3. Step 3: Cross multiply
    30,342.50x = 45,512.33 × 10,625.48
  4. Step 4: Simplify right side
    30,342.50x = 483,590,071.48
  5. Step 5: Solve for x
    x = 483,590,071.48/30,342.50
  6. Step 6: Final answer
    x = 15,937.72

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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.