Home / 41,127.02-61,681.29-18,919.07

Finding the Fourth Proportional to 41,127.02, 61,681.29 and 18,919.07

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Solution

The fourth proportional to 41,127.02, 61,681.29 and 18,919.07 is: 28,374.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,127.02 : 61,681.29 = 18,919.07 : x
  2. Step 2: Convert to fraction form
    41,127.02/61,681.29 = 18,919.07/x
  3. Step 3: Cross multiply
    41,127.02x = 61,681.29 × 18,919.07
  4. Step 4: Simplify right side
    41,127.02x = 1,166,952,643.20
  5. Step 5: Solve for x
    x = 1,166,952,643.20/41,127.02
  6. Step 6: Final answer
    x = 28,374.35

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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.