Home / 40,868.06-61,300.41-14,220.15

Finding the Fourth Proportional to 40,868.06, 61,300.41 and 14,220.15

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Solution

The fourth proportional to 40,868.06, 61,300.41 and 14,220.15 is: 21,329.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,868.06 : 61,300.41 = 14,220.15 : x
  2. Step 2: Convert to fraction form
    40,868.06/61,300.41 = 14,220.15/x
  3. Step 3: Cross multiply
    40,868.06x = 61,300.41 × 14,220.15
  4. Step 4: Simplify right side
    40,868.06x = 871,701,025.26
  5. Step 5: Solve for x
    x = 871,701,025.26/40,868.06
  6. Step 6: Final answer
    x = 21,329.64

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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.