Home / 38,322.72-52,884.50-21,326.49

Finding the Fourth Proportional to 38,322.72, 52,884.50 and 21,326.49

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Solution

The fourth proportional to 38,322.72, 52,884.50 and 21,326.49 is: 29,430.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,322.72 : 52,884.50 = 21,326.49 : x
  2. Step 2: Convert to fraction form
    38,322.72/52,884.50 = 21,326.49/x
  3. Step 3: Cross multiply
    38,322.72x = 52,884.50 × 21,326.49
  4. Step 4: Simplify right side
    38,322.72x = 1,127,840,653.77
  5. Step 5: Solve for x
    x = 1,127,840,653.77/38,322.72
  6. Step 6: Final answer
    x = 29,430.08

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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.