Home / 46,920.35-70,331.32-21,939.34

Finding the Fourth Proportional to 46,920.35, 70,331.32 and 21,939.34

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Solution

The fourth proportional to 46,920.35, 70,331.32 and 21,939.34 is: 32,886.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,920.35 : 70,331.32 = 21,939.34 : x
  2. Step 2: Convert to fraction form
    46,920.35/70,331.32 = 21,939.34/x
  3. Step 3: Cross multiply
    46,920.35x = 70,331.32 × 21,939.34
  4. Step 4: Simplify right side
    46,920.35x = 1,543,022,742.13
  5. Step 5: Solve for x
    x = 1,543,022,742.13/46,920.35
  6. Step 6: Final answer
    x = 32,886.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.