Home / 40,054.69-60,085.14-11,972.80

Finding the Fourth Proportional to 40,054.69, 60,085.14 and 11,972.80

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Solution

The fourth proportional to 40,054.69, 60,085.14 and 11,972.80 is: 17,960.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,054.69 : 60,085.14 = 11,972.80 : x
  2. Step 2: Convert to fraction form
    40,054.69/60,085.14 = 11,972.80/x
  3. Step 3: Cross multiply
    40,054.69x = 60,085.14 × 11,972.80
  4. Step 4: Simplify right side
    40,054.69x = 719,387,364.19
  5. Step 5: Solve for x
    x = 719,387,364.19/40,054.69
  6. Step 6: Final answer
    x = 17,960.13

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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.