Home / 44,427.47-66,631.35-12,830.64

Finding the Fourth Proportional to 44,427.47, 66,631.35 and 12,830.64

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Solution

The fourth proportional to 44,427.47, 66,631.35 and 12,830.64 is: 19,243.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,427.47 : 66,631.35 = 12,830.64 : x
  2. Step 2: Convert to fraction form
    44,427.47/66,631.35 = 12,830.64/x
  3. Step 3: Cross multiply
    44,427.47x = 66,631.35 × 12,830.64
  4. Step 4: Simplify right side
    44,427.47x = 854,922,864.56
  5. Step 5: Solve for x
    x = 854,922,864.56/44,427.47
  6. Step 6: Final answer
    x = 19,243.12

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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.