Home / 42,341.90-63,494.40-14,254.42

Finding the Fourth Proportional to 42,341.90, 63,494.40 and 14,254.42

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Solution

The fourth proportional to 42,341.90, 63,494.40 and 14,254.42 is: 21,375.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,341.90 : 63,494.40 = 14,254.42 : x
  2. Step 2: Convert to fraction form
    42,341.90/63,494.40 = 14,254.42/x
  3. Step 3: Cross multiply
    42,341.90x = 63,494.40 × 14,254.42
  4. Step 4: Simplify right side
    42,341.90x = 905,075,845.25
  5. Step 5: Solve for x
    x = 905,075,845.25/42,341.90
  6. Step 6: Final answer
    x = 21,375.42

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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.