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Finding the Fourth Proportional to 38,484.94, 53,106.42 and 22,344.88

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Solution

The fourth proportional to 38,484.94, 53,106.42 and 22,344.88 is: 30,834.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,484.94 : 53,106.42 = 22,344.88 : x
  2. Step 2: Convert to fraction form
    38,484.94/53,106.42 = 22,344.88/x
  3. Step 3: Cross multiply
    38,484.94x = 53,106.42 × 22,344.88
  4. Step 4: Simplify right side
    38,484.94x = 1,186,656,582.13
  5. Step 5: Solve for x
    x = 1,186,656,582.13/38,484.94
  6. Step 6: Final answer
    x = 30,834.31

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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.