Home / 40,894.56-61,341.86-12,816.80

Finding the Fourth Proportional to 40,894.56, 61,341.86 and 12,816.80

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Solution

The fourth proportional to 40,894.56, 61,341.86 and 12,816.80 is: 19,225.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,894.56 : 61,341.86 = 12,816.80 : x
  2. Step 2: Convert to fraction form
    40,894.56/61,341.86 = 12,816.80/x
  3. Step 3: Cross multiply
    40,894.56x = 61,341.86 × 12,816.80
  4. Step 4: Simplify right side
    40,894.56x = 786,206,351.25
  5. Step 5: Solve for x
    x = 786,206,351.25/40,894.56
  6. Step 6: Final answer
    x = 19,225.21

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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.