Home / 35,075.31-48,369.35-21,643.71

Finding the Fourth Proportional to 35,075.31, 48,369.35 and 21,643.71

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Solution

The fourth proportional to 35,075.31, 48,369.35 and 21,643.71 is: 29,846.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,075.31 : 48,369.35 = 21,643.71 : x
  2. Step 2: Convert to fraction form
    35,075.31/48,369.35 = 21,643.71/x
  3. Step 3: Cross multiply
    35,075.31x = 48,369.35 × 21,643.71
  4. Step 4: Simplify right side
    35,075.31x = 1,046,892,076.07
  5. Step 5: Solve for x
    x = 1,046,892,076.07/35,075.31
  6. Step 6: Final answer
    x = 29,846.98

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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.