Home / 42,019.70-63,030.66-13,941.75

Finding the Fourth Proportional to 42,019.70, 63,030.66 and 13,941.75

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Solution

The fourth proportional to 42,019.70, 63,030.66 and 13,941.75 is: 20,913.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,019.70 : 63,030.66 = 13,941.75 : x
  2. Step 2: Convert to fraction form
    42,019.70/63,030.66 = 13,941.75/x
  3. Step 3: Cross multiply
    42,019.70x = 63,030.66 × 13,941.75
  4. Step 4: Simplify right side
    42,019.70x = 878,757,888.14
  5. Step 5: Solve for x
    x = 878,757,888.14/42,019.70
  6. Step 6: Final answer
    x = 20,913.00

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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.