Home / 37,720.08-52,047.99-21,801.51

Finding the Fourth Proportional to 37,720.08, 52,047.99 and 21,801.51

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Solution

The fourth proportional to 37,720.08, 52,047.99 and 21,801.51 is: 30,082.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,720.08 : 52,047.99 = 21,801.51 : x
  2. Step 2: Convert to fraction form
    37,720.08/52,047.99 = 21,801.51/x
  3. Step 3: Cross multiply
    37,720.08x = 52,047.99 × 21,801.51
  4. Step 4: Simplify right side
    37,720.08x = 1,134,724,774.46
  5. Step 5: Solve for x
    x = 1,134,724,774.46/37,720.08
  6. Step 6: Final answer
    x = 30,082.78

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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.