Home / 42,559.99-63,837.59-18,860.71

Finding the Fourth Proportional to 42,559.99, 63,837.59 and 18,860.71

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Solution

The fourth proportional to 42,559.99, 63,837.59 and 18,860.71 is: 28,290.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,559.99 : 63,837.59 = 18,860.71 : x
  2. Step 2: Convert to fraction form
    42,559.99/63,837.59 = 18,860.71/x
  3. Step 3: Cross multiply
    42,559.99x = 63,837.59 × 18,860.71
  4. Step 4: Simplify right side
    42,559.99x = 1,204,022,177.79
  5. Step 5: Solve for x
    x = 1,204,022,177.79/42,559.99
  6. Step 6: Final answer
    x = 28,290.00

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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.