Home / 40,985.02-61,426.77-19,907.82

Finding the Fourth Proportional to 40,985.02, 61,426.77 and 19,907.82

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Solution

The fourth proportional to 40,985.02, 61,426.77 and 19,907.82 is: 29,837.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,985.02 : 61,426.77 = 19,907.82 : x
  2. Step 2: Convert to fraction form
    40,985.02/61,426.77 = 19,907.82/x
  3. Step 3: Cross multiply
    40,985.02x = 61,426.77 × 19,907.82
  4. Step 4: Simplify right side
    40,985.02x = 1,222,873,080.34
  5. Step 5: Solve for x
    x = 1,222,873,080.34/40,985.02
  6. Step 6: Final answer
    x = 29,837.07

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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.