Home / 53,118.90-79,670.45-19,834.79

Finding the Fourth Proportional to 53,118.90, 79,670.45 and 19,834.79

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Solution

The fourth proportional to 53,118.90, 79,670.45 and 19,834.79 is: 29,749.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,118.90 : 79,670.45 = 19,834.79 : x
  2. Step 2: Convert to fraction form
    53,118.90/79,670.45 = 19,834.79/x
  3. Step 3: Cross multiply
    53,118.90x = 79,670.45 × 19,834.79
  4. Step 4: Simplify right side
    53,118.90x = 1,580,246,296.19
  5. Step 5: Solve for x
    x = 1,580,246,296.19/53,118.90
  6. Step 6: Final answer
    x = 29,749.23

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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.