Home / 45,830.64-68,684.40-19,528.32

Finding the Fourth Proportional to 45,830.64, 68,684.40 and 19,528.32

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Solution

The fourth proportional to 45,830.64, 68,684.40 and 19,528.32 is: 29,266.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,830.64 : 68,684.40 = 19,528.32 : x
  2. Step 2: Convert to fraction form
    45,830.64/68,684.40 = 19,528.32/x
  3. Step 3: Cross multiply
    45,830.64x = 68,684.40 × 19,528.32
  4. Step 4: Simplify right side
    45,830.64x = 1,341,290,942.21
  5. Step 5: Solve for x
    x = 1,341,290,942.21/45,830.64
  6. Step 6: Final answer
    x = 29,266.25

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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.