Home / 42,566.79-63,860.19-12,984.63

Finding the Fourth Proportional to 42,566.79, 63,860.19 and 12,984.63

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Solution

The fourth proportional to 42,566.79, 63,860.19 and 12,984.63 is: 19,479.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,566.79 : 63,860.19 = 12,984.63 : x
  2. Step 2: Convert to fraction form
    42,566.79/63,860.19 = 12,984.63/x
  3. Step 3: Cross multiply
    42,566.79x = 63,860.19 × 12,984.63
  4. Step 4: Simplify right side
    42,566.79x = 829,200,832.60
  5. Step 5: Solve for x
    x = 829,200,832.60/42,566.79
  6. Step 6: Final answer
    x = 19,479.99

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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.