Home / 44,600.12-66,900.20-13,435.36

Finding the Fourth Proportional to 44,600.12, 66,900.20 and 13,435.36

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Solution

The fourth proportional to 44,600.12, 66,900.20 and 13,435.36 is: 20,153.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,600.12 : 66,900.20 = 13,435.36 : x
  2. Step 2: Convert to fraction form
    44,600.12/66,900.20 = 13,435.36/x
  3. Step 3: Cross multiply
    44,600.12x = 66,900.20 × 13,435.36
  4. Step 4: Simplify right side
    44,600.12x = 898,828,271.07
  5. Step 5: Solve for x
    x = 898,828,271.07/44,600.12
  6. Step 6: Final answer
    x = 20,153.05

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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.