Home / 42,573.75-63,860.59-20,079.19

Finding the Fourth Proportional to 42,573.75, 63,860.59 and 20,079.19

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Solution

The fourth proportional to 42,573.75, 63,860.59 and 20,079.19 is: 30,118.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,573.75 : 63,860.59 = 20,079.19 : x
  2. Step 2: Convert to fraction form
    42,573.75/63,860.59 = 20,079.19/x
  3. Step 3: Cross multiply
    42,573.75x = 63,860.59 × 20,079.19
  4. Step 4: Simplify right side
    42,573.75x = 1,282,268,920.12
  5. Step 5: Solve for x
    x = 1,282,268,920.12/42,573.75
  6. Step 6: Final answer
    x = 30,118.77

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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.