Home / 42,435.65-63,664.28-19,941.95

Finding the Fourth Proportional to 42,435.65, 63,664.28 and 19,941.95

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Solution

The fourth proportional to 42,435.65, 63,664.28 and 19,941.95 is: 29,918.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,435.65 : 63,664.28 = 19,941.95 : x
  2. Step 2: Convert to fraction form
    42,435.65/63,664.28 = 19,941.95/x
  3. Step 3: Cross multiply
    42,435.65x = 63,664.28 × 19,941.95
  4. Step 4: Simplify right side
    42,435.65x = 1,269,589,888.55
  5. Step 5: Solve for x
    x = 1,269,589,888.55/42,435.65
  6. Step 6: Final answer
    x = 29,918.00

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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.