Home / 53,607.51-80,412.48-20,343.24

Finding the Fourth Proportional to 53,607.51, 80,412.48 and 20,343.24

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Solution

The fourth proportional to 53,607.51, 80,412.48 and 20,343.24 is: 30,515.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,607.51 : 80,412.48 = 20,343.24 : x
  2. Step 2: Convert to fraction form
    53,607.51/80,412.48 = 20,343.24/x
  3. Step 3: Cross multiply
    53,607.51x = 80,412.48 × 20,343.24
  4. Step 4: Simplify right side
    53,607.51x = 1,635,850,379.64
  5. Step 5: Solve for x
    x = 1,635,850,379.64/53,607.51
  6. Step 6: Final answer
    x = 30,515.32

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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.