Home / 64,136.36-88,523.34-38,981

Finding the Fourth Proportional to 64,136.36, 88,523.34 and 38,981

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Solution

The fourth proportional to 64,136.36, 88,523.34 and 38,981 is: 53,803.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,136.36 : 88,523.34 = 38,981 : x
  2. Step 2: Convert to fraction form
    64,136.36/88,523.34 = 38,981/x
  3. Step 3: Cross multiply
    64,136.36x = 88,523.34 × 38,981
  4. Step 4: Simplify right side
    64,136.36x = 3,450,728,316.54
  5. Step 5: Solve for x
    x = 3,450,728,316.54/64,136.36
  6. Step 6: Final answer
    x = 53,803.00

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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.