Home / 38,341.50-52,911.27-21,574.86

Finding the Fourth Proportional to 38,341.50, 52,911.27 and 21,574.86

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Solution

The fourth proportional to 38,341.50, 52,911.27 and 21,574.86 is: 29,773.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,341.50 : 52,911.27 = 21,574.86 : x
  2. Step 2: Convert to fraction form
    38,341.50/52,911.27 = 21,574.86/x
  3. Step 3: Cross multiply
    38,341.50x = 52,911.27 × 21,574.86
  4. Step 4: Simplify right side
    38,341.50x = 1,141,553,242.67
  5. Step 5: Solve for x
    x = 1,141,553,242.67/38,341.50
  6. Step 6: Final answer
    x = 29,773.31

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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.