Home / 53,343.48-79,959.64-21,739.83

Finding the Fourth Proportional to 53,343.48, 79,959.64 and 21,739.83

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Solution

The fourth proportional to 53,343.48, 79,959.64 and 21,739.83 is: 32,587.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,343.48 : 79,959.64 = 21,739.83 : x
  2. Step 2: Convert to fraction form
    53,343.48/79,959.64 = 21,739.83/x
  3. Step 3: Cross multiply
    53,343.48x = 79,959.64 × 21,739.83
  4. Step 4: Simplify right side
    53,343.48x = 1,738,308,980.46
  5. Step 5: Solve for x
    x = 1,738,308,980.46/53,343.48
  6. Step 6: Final answer
    x = 32,587.09

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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.