Home / 53,172.25-79,752.20-13,726.26

Finding the Fourth Proportional to 53,172.25, 79,752.20 and 13,726.26

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Solution

The fourth proportional to 53,172.25, 79,752.20 and 13,726.26 is: 20,587.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,172.25 : 79,752.20 = 13,726.26 : x
  2. Step 2: Convert to fraction form
    53,172.25/79,752.20 = 13,726.26/x
  3. Step 3: Cross multiply
    53,172.25x = 79,752.20 × 13,726.26
  4. Step 4: Simplify right side
    53,172.25x = 1,094,699,364.14
  5. Step 5: Solve for x
    x = 1,094,699,364.14/53,172.25
  6. Step 6: Final answer
    x = 20,587.80

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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.