Home / 30,116.06-41,558.40-16,686.50

Finding the Fourth Proportional to 30,116.06, 41,558.40 and 16,686.50

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Solution

The fourth proportional to 30,116.06, 41,558.40 and 16,686.50 is: 23,026.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,116.06 : 41,558.40 = 16,686.50 : x
  2. Step 2: Convert to fraction form
    30,116.06/41,558.40 = 16,686.50/x
  3. Step 3: Cross multiply
    30,116.06x = 41,558.40 × 16,686.50
  4. Step 4: Simplify right side
    30,116.06x = 693,464,345.50
  5. Step 5: Solve for x
    x = 693,464,345.50/30,116.06
  6. Step 6: Final answer
    x = 23,026.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.