Home / 42,205.51-63,289.80-20,025.21

Finding the Fourth Proportional to 42,205.51, 63,289.80 and 20,025.21

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Solution

The fourth proportional to 42,205.51, 63,289.80 and 20,025.21 is: 30,029.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,205.51 : 63,289.80 = 20,025.21 : x
  2. Step 2: Convert to fraction form
    42,205.51/63,289.80 = 20,025.21/x
  3. Step 3: Cross multiply
    42,205.51x = 63,289.80 × 20,025.21
  4. Step 4: Simplify right side
    42,205.51x = 1,267,391,773.19
  5. Step 5: Solve for x
    x = 1,267,391,773.19/42,205.51
  6. Step 6: Final answer
    x = 30,029.06

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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.