Home / 38,428.45-53,022.23-23,320.77

Finding the Fourth Proportional to 38,428.45, 53,022.23 and 23,320.77

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Solution

The fourth proportional to 38,428.45, 53,022.23 and 23,320.77 is: 32,177.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,428.45 : 53,022.23 = 23,320.77 : x
  2. Step 2: Convert to fraction form
    38,428.45/53,022.23 = 23,320.77/x
  3. Step 3: Cross multiply
    38,428.45x = 53,022.23 × 23,320.77
  4. Step 4: Simplify right side
    38,428.45x = 1,236,518,849.00
  5. Step 5: Solve for x
    x = 1,236,518,849.00/38,428.45
  6. Step 6: Final answer
    x = 32,177.18

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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.