Home / 38,235.24-52,761.60-21,465

Finding the Fourth Proportional to 38,235.24, 52,761.60 and 21,465

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Solution

The fourth proportional to 38,235.24, 52,761.60 and 21,465 is: 29,620.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,235.24 : 52,761.60 = 21,465 : x
  2. Step 2: Convert to fraction form
    38,235.24/52,761.60 = 21,465/x
  3. Step 3: Cross multiply
    38,235.24x = 52,761.60 × 21,465
  4. Step 4: Simplify right side
    38,235.24x = 1,132,527,744
  5. Step 5: Solve for x
    x = 1,132,527,744/38,235.24
  6. Step 6: Final answer
    x = 29,620.00

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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.