Home / 38,317.64-52,876.44-21,322.88

Finding the Fourth Proportional to 38,317.64, 52,876.44 and 21,322.88

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Solution

The fourth proportional to 38,317.64, 52,876.44 and 21,322.88 is: 29,424.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,317.64 : 52,876.44 = 21,322.88 : x
  2. Step 2: Convert to fraction form
    38,317.64/52,876.44 = 21,322.88/x
  3. Step 3: Cross multiply
    38,317.64x = 52,876.44 × 21,322.88
  4. Step 4: Simplify right side
    38,317.64x = 1,127,477,984.95
  5. Step 5: Solve for x
    x = 1,127,477,984.95/38,317.64
  6. Step 6: Final answer
    x = 29,424.52

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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.