Home / 46,425.78-69,630.44-21,119.40

Finding the Fourth Proportional to 46,425.78, 69,630.44 and 21,119.40

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Solution

The fourth proportional to 46,425.78, 69,630.44 and 21,119.40 is: 31,675.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,425.78 : 69,630.44 = 21,119.40 : x
  2. Step 2: Convert to fraction form
    46,425.78/69,630.44 = 21,119.40/x
  3. Step 3: Cross multiply
    46,425.78x = 69,630.44 × 21,119.40
  4. Step 4: Simplify right side
    46,425.78x = 1,470,553,008.94
  5. Step 5: Solve for x
    x = 1,470,553,008.94/46,425.78
  6. Step 6: Final answer
    x = 31,675.35

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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.