Home / 30,886.56-46,329.84-21,693.60

Finding the Fourth Proportional to 30,886.56, 46,329.84 and 21,693.60

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Solution

The fourth proportional to 30,886.56, 46,329.84 and 21,693.60 is: 32,540.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,886.56 : 46,329.84 = 21,693.60 : x
  2. Step 2: Convert to fraction form
    30,886.56/46,329.84 = 21,693.60/x
  3. Step 3: Cross multiply
    30,886.56x = 46,329.84 × 21,693.60
  4. Step 4: Simplify right side
    30,886.56x = 1,005,061,017.02
  5. Step 5: Solve for x
    x = 1,005,061,017.02/30,886.56
  6. Step 6: Final answer
    x = 32,540.40

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1.5x scale

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.