Home / 40,290.45-60,430.09-10,710.69

Finding the Fourth Proportional to 40,290.45, 60,430.09 and 10,710.69

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Solution

The fourth proportional to 40,290.45, 60,430.09 and 10,710.69 is: 16,064.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,290.45 : 60,430.09 = 10,710.69 : x
  2. Step 2: Convert to fraction form
    40,290.45/60,430.09 = 10,710.69/x
  3. Step 3: Cross multiply
    40,290.45x = 60,430.09 × 10,710.69
  4. Step 4: Simplify right side
    40,290.45x = 647,247,960.66
  5. Step 5: Solve for x
    x = 647,247,960.66/40,290.45
  6. Step 6: Final answer
    x = 16,064.55

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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.