Home / 44,586.81-66,878.60-13,421.25

Finding the Fourth Proportional to 44,586.81, 66,878.60 and 13,421.25

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Solution

The fourth proportional to 44,586.81, 66,878.60 and 13,421.25 is: 20,131.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,586.81 : 66,878.60 = 13,421.25 : x
  2. Step 2: Convert to fraction form
    44,586.81/66,878.60 = 13,421.25/x
  3. Step 3: Cross multiply
    44,586.81x = 66,878.60 × 13,421.25
  4. Step 4: Simplify right side
    44,586.81x = 897,594,343.14
  5. Step 5: Solve for x
    x = 897,594,343.14/44,586.81
  6. Step 6: Final answer
    x = 20,131.39

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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.