Home / 35,378.29-53,069.38-14,315.21

Finding the Fourth Proportional to 35,378.29, 53,069.38 and 14,315.21

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Solution

The fourth proportional to 35,378.29, 53,069.38 and 14,315.21 is: 21,473.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,378.29 : 53,069.38 = 14,315.21 : x
  2. Step 2: Convert to fraction form
    35,378.29/53,069.38 = 14,315.21/x
  3. Step 3: Cross multiply
    35,378.29x = 53,069.38 × 14,315.21
  4. Step 4: Simplify right side
    35,378.29x = 759,699,067.89
  5. Step 5: Solve for x
    x = 759,699,067.89/35,378.29
  6. Step 6: Final answer
    x = 21,473.59

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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.