Home / 38,934.54-53,654.70-28,307.34

Finding the Fourth Proportional to 38,934.54, 53,654.70 and 28,307.34

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Solution

The fourth proportional to 38,934.54, 53,654.70 and 28,307.34 is: 39,009.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,934.54 : 53,654.70 = 28,307.34 : x
  2. Step 2: Convert to fraction form
    38,934.54/53,654.70 = 28,307.34/x
  3. Step 3: Cross multiply
    38,934.54x = 53,654.70 × 28,307.34
  4. Step 4: Simplify right side
    38,934.54x = 1,518,821,835.50
  5. Step 5: Solve for x
    x = 1,518,821,835.50/38,934.54
  6. Step 6: Final answer
    x = 39,009.63

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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.