Home / 46,002.90-69,004.20-12,722.88

Finding the Fourth Proportional to 46,002.90, 69,004.20 and 12,722.88

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Solution

The fourth proportional to 46,002.90, 69,004.20 and 12,722.88 is: 19,084.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,002.90 : 69,004.20 = 12,722.88 : x
  2. Step 2: Convert to fraction form
    46,002.90/69,004.20 = 12,722.88/x
  3. Step 3: Cross multiply
    46,002.90x = 69,004.20 × 12,722.88
  4. Step 4: Simplify right side
    46,002.90x = 877,932,156.10
  5. Step 5: Solve for x
    x = 877,932,156.10/46,002.90
  6. Step 6: Final answer
    x = 19,084.28

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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.