Home / 42,323.24-63,514.01-18,975.80

Finding the Fourth Proportional to 42,323.24, 63,514.01 and 18,975.80

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Solution

The fourth proportional to 42,323.24, 63,514.01 and 18,975.80 is: 28,476.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,323.24 : 63,514.01 = 18,975.80 : x
  2. Step 2: Convert to fraction form
    42,323.24/63,514.01 = 18,975.80/x
  3. Step 3: Cross multiply
    42,323.24x = 63,514.01 × 18,975.80
  4. Step 4: Simplify right side
    42,323.24x = 1,205,228,880.83
  5. Step 5: Solve for x
    x = 1,205,228,880.83/42,323.24
  6. Step 6: Final answer
    x = 28,476.77

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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.