Home / 38,248.48-52,777.16-21,478.24

Finding the Fourth Proportional to 38,248.48, 52,777.16 and 21,478.24

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Solution

The fourth proportional to 38,248.48, 52,777.16 and 21,478.24 is: 29,636.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,248.48 : 52,777.16 = 21,478.24 : x
  2. Step 2: Convert to fraction form
    38,248.48/52,777.16 = 21,478.24/x
  3. Step 3: Cross multiply
    38,248.48x = 52,777.16 × 21,478.24
  4. Step 4: Simplify right side
    38,248.48x = 1,133,560,509.00
  5. Step 5: Solve for x
    x = 1,133,560,509.00/38,248.48
  6. Step 6: Final answer
    x = 29,636.75

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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.