Home / 38,990.12-53,814.70-24,640.82

Finding the Fourth Proportional to 38,990.12, 53,814.70 and 24,640.82

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Solution

The fourth proportional to 38,990.12, 53,814.70 and 24,640.82 is: 34,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,990.12 : 53,814.70 = 24,640.82 : x
  2. Step 2: Convert to fraction form
    38,990.12/53,814.70 = 24,640.82/x
  3. Step 3: Cross multiply
    38,990.12x = 53,814.70 × 24,640.82
  4. Step 4: Simplify right side
    38,990.12x = 1,326,038,336.05
  5. Step 5: Solve for x
    x = 1,326,038,336.05/38,990.12
  6. Step 6: Final answer
    x = 34,009.60

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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.