Home / 38,157.48-52,651.62-21,803.45

Finding the Fourth Proportional to 38,157.48, 52,651.62 and 21,803.45

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Solution

The fourth proportional to 38,157.48, 52,651.62 and 21,803.45 is: 30,085.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,157.48 : 52,651.62 = 21,803.45 : x
  2. Step 2: Convert to fraction form
    38,157.48/52,651.62 = 21,803.45/x
  3. Step 3: Cross multiply
    38,157.48x = 52,651.62 × 21,803.45
  4. Step 4: Simplify right side
    38,157.48x = 1,147,986,700.83
  5. Step 5: Solve for x
    x = 1,147,986,700.83/38,157.48
  6. Step 6: Final answer
    x = 30,085.50

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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.