Home / 53,136.70-73,328.52-29,263.42

Finding the Fourth Proportional to 53,136.70, 73,328.52 and 29,263.42

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Solution

The fourth proportional to 53,136.70, 73,328.52 and 29,263.42 is: 40,383.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,136.70 : 73,328.52 = 29,263.42 : x
  2. Step 2: Convert to fraction form
    53,136.70/73,328.52 = 29,263.42/x
  3. Step 3: Cross multiply
    53,136.70x = 73,328.52 × 29,263.42
  4. Step 4: Simplify right side
    53,136.70x = 2,145,843,278.74
  5. Step 5: Solve for x
    x = 2,145,843,278.74/53,136.70
  6. Step 6: Final answer
    x = 40,383.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.