Home / 53,079.02-79,619.34-13,635.26

Finding the Fourth Proportional to 53,079.02, 79,619.34 and 13,635.26

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Solution

The fourth proportional to 53,079.02, 79,619.34 and 13,635.26 is: 20,453.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,079.02 : 79,619.34 = 13,635.26 : x
  2. Step 2: Convert to fraction form
    53,079.02/79,619.34 = 13,635.26/x
  3. Step 3: Cross multiply
    53,079.02x = 79,619.34 × 13,635.26
  4. Step 4: Simplify right side
    53,079.02x = 1,085,630,401.93
  5. Step 5: Solve for x
    x = 1,085,630,401.93/53,079.02
  6. Step 6: Final answer
    x = 20,453.10

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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.