Home / 49,189.02-67,878-29,038.55

Finding the Fourth Proportional to 49,189.02, 67,878 and 29,038.55

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Solution

The fourth proportional to 49,189.02, 67,878 and 29,038.55 is: 40,071.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,189.02 : 67,878 = 29,038.55 : x
  2. Step 2: Convert to fraction form
    49,189.02/67,878 = 29,038.55/x
  3. Step 3: Cross multiply
    49,189.02x = 67,878 × 29,038.55
  4. Step 4: Simplify right side
    49,189.02x = 1,971,078,696.90
  5. Step 5: Solve for x
    x = 1,971,078,696.90/49,189.02
  6. Step 6: Final answer
    x = 40,071.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.