Home / 38,532.08-53,152.98-31,369.70

Finding the Fourth Proportional to 38,532.08, 53,152.98 and 31,369.70

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Solution

The fourth proportional to 38,532.08, 53,152.98 and 31,369.70 is: 43,272.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,532.08 : 53,152.98 = 31,369.70 : x
  2. Step 2: Convert to fraction form
    38,532.08/53,152.98 = 31,369.70/x
  3. Step 3: Cross multiply
    38,532.08x = 53,152.98 × 31,369.70
  4. Step 4: Simplify right side
    38,532.08x = 1,667,393,036.71
  5. Step 5: Solve for x
    x = 1,667,393,036.71/38,532.08
  6. Step 6: Final answer
    x = 43,272.85

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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.