Home / 38,987.92-53,803.33-21,082.93

Finding the Fourth Proportional to 38,987.92, 53,803.33 and 21,082.93

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Solution

The fourth proportional to 38,987.92, 53,803.33 and 21,082.93 is: 29,094.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,987.92 : 53,803.33 = 21,082.93 : x
  2. Step 2: Convert to fraction form
    38,987.92/53,803.33 = 21,082.93/x
  3. Step 3: Cross multiply
    38,987.92x = 53,803.33 × 21,082.93
  4. Step 4: Simplify right side
    38,987.92x = 1,134,331,758.36
  5. Step 5: Solve for x
    x = 1,134,331,758.36/38,987.92
  6. Step 6: Final answer
    x = 29,094.44

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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.