Home / 53,039.21-79,547.62-15,589.12

Finding the Fourth Proportional to 53,039.21, 79,547.62 and 15,589.12

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Solution

The fourth proportional to 53,039.21, 79,547.62 and 15,589.12 is: 23,380.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,039.21 : 79,547.62 = 15,589.12 : x
  2. Step 2: Convert to fraction form
    53,039.21/79,547.62 = 15,589.12/x
  3. Step 3: Cross multiply
    53,039.21x = 79,547.62 × 15,589.12
  4. Step 4: Simplify right side
    53,039.21x = 1,240,077,393.89
  5. Step 5: Solve for x
    x = 1,240,077,393.89/53,039.21
  6. Step 6: Final answer
    x = 23,380.39

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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.