Home / 42,074.29-63,111.99-13,994.35

Finding the Fourth Proportional to 42,074.29, 63,111.99 and 13,994.35

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Solution

The fourth proportional to 42,074.29, 63,111.99 and 13,994.35 is: 20,991.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,074.29 : 63,111.99 = 13,994.35 : x
  2. Step 2: Convert to fraction form
    42,074.29/63,111.99 = 13,994.35/x
  3. Step 3: Cross multiply
    42,074.29x = 63,111.99 × 13,994.35
  4. Step 4: Simplify right side
    42,074.29x = 883,211,277.26
  5. Step 5: Solve for x
    x = 883,211,277.26/42,074.29
  6. Step 6: Final answer
    x = 20,991.71

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1.5x scale

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.