Home / 38,309.41-52,865.26-21,312.32

Finding the Fourth Proportional to 38,309.41, 52,865.26 and 21,312.32

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Solution

The fourth proportional to 38,309.41, 52,865.26 and 21,312.32 is: 29,410.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,309.41 : 52,865.26 = 21,312.32 : x
  2. Step 2: Convert to fraction form
    38,309.41/52,865.26 = 21,312.32/x
  3. Step 3: Cross multiply
    38,309.41x = 52,865.26 × 21,312.32
  4. Step 4: Simplify right side
    38,309.41x = 1,126,681,020.40
  5. Step 5: Solve for x
    x = 1,126,681,020.40/38,309.41
  6. Step 6: Final answer
    x = 29,410.04

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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.