Home / 46,258.40-69,391.96-12,978.34

Finding the Fourth Proportional to 46,258.40, 69,391.96 and 12,978.34

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Solution

The fourth proportional to 46,258.40, 69,391.96 and 12,978.34 is: 19,468.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,258.40 : 69,391.96 = 12,978.34 : x
  2. Step 2: Convert to fraction form
    46,258.40/69,391.96 = 12,978.34/x
  3. Step 3: Cross multiply
    46,258.40x = 69,391.96 × 12,978.34
  4. Step 4: Simplify right side
    46,258.40x = 900,592,244.22
  5. Step 5: Solve for x
    x = 900,592,244.22/46,258.40
  6. Step 6: Final answer
    x = 19,468.73

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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.