Home / 38,613.96-53,292.24-21,624.66

Finding the Fourth Proportional to 38,613.96, 53,292.24 and 21,624.66

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Solution

The fourth proportional to 38,613.96, 53,292.24 and 21,624.66 is: 29,844.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,613.96 : 53,292.24 = 21,624.66 : x
  2. Step 2: Convert to fraction form
    38,613.96/53,292.24 = 21,624.66/x
  3. Step 3: Cross multiply
    38,613.96x = 53,292.24 × 21,624.66
  4. Step 4: Simplify right side
    38,613.96x = 1,152,426,570.64
  5. Step 5: Solve for x
    x = 1,152,426,570.64/38,613.96
  6. Step 6: Final answer
    x = 29,844.82

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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.