Home / 42,567.06-63,860.34-12,985.44

Finding the Fourth Proportional to 42,567.06, 63,860.34 and 12,985.44

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Solution

The fourth proportional to 42,567.06, 63,860.34 and 12,985.44 is: 19,481.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,567.06 : 63,860.34 = 12,985.44 : x
  2. Step 2: Convert to fraction form
    42,567.06/63,860.34 = 12,985.44/x
  3. Step 3: Cross multiply
    42,567.06x = 63,860.34 × 12,985.44
  4. Step 4: Simplify right side
    42,567.06x = 829,254,613.45
  5. Step 5: Solve for x
    x = 829,254,613.45/42,567.06
  6. Step 6: Final answer
    x = 19,481.13

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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.