Home / 38,651.30-53,349.28-22,740.87

Finding the Fourth Proportional to 38,651.30, 53,349.28 and 22,740.87

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Solution

The fourth proportional to 38,651.30, 53,349.28 and 22,740.87 is: 31,388.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,651.30 : 53,349.28 = 22,740.87 : x
  2. Step 2: Convert to fraction form
    38,651.30/53,349.28 = 22,740.87/x
  3. Step 3: Cross multiply
    38,651.30x = 53,349.28 × 22,740.87
  4. Step 4: Simplify right side
    38,651.30x = 1,213,209,041.07
  5. Step 5: Solve for x
    x = 1,213,209,041.07/38,651.30
  6. Step 6: Final answer
    x = 31,388.57

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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.