Home / 38,244.21-52,776.63-21,248.09

Finding the Fourth Proportional to 38,244.21, 52,776.63 and 21,248.09

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Solution

The fourth proportional to 38,244.21, 52,776.63 and 21,248.09 is: 29,322.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,244.21 : 52,776.63 = 21,248.09 : x
  2. Step 2: Convert to fraction form
    38,244.21/52,776.63 = 21,248.09/x
  3. Step 3: Cross multiply
    38,244.21x = 52,776.63 × 21,248.09
  4. Step 4: Simplify right side
    38,244.21x = 1,121,402,749.49
  5. Step 5: Solve for x
    x = 1,121,402,749.49/38,244.21
  6. Step 6: Final answer
    x = 29,322.16

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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.