Home / 42,427.94-63,544.98-20,256.92

Finding the Fourth Proportional to 42,427.94, 63,544.98 and 20,256.92

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Solution

The fourth proportional to 42,427.94, 63,544.98 and 20,256.92 is: 30,339.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,427.94 : 63,544.98 = 20,256.92 : x
  2. Step 2: Convert to fraction form
    42,427.94/63,544.98 = 20,256.92/x
  3. Step 3: Cross multiply
    42,427.94x = 63,544.98 × 20,256.92
  4. Step 4: Simplify right side
    42,427.94x = 1,287,225,576.26
  5. Step 5: Solve for x
    x = 1,287,225,576.26/42,427.94
  6. Step 6: Final answer
    x = 30,339.10

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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.