Home / 30,123.60-41,570.66-16,695.08

Finding the Fourth Proportional to 30,123.60, 41,570.66 and 16,695.08

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Solution

The fourth proportional to 30,123.60, 41,570.66 and 16,695.08 is: 23,039.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,123.60 : 41,570.66 = 16,695.08 : x
  2. Step 2: Convert to fraction form
    30,123.60/41,570.66 = 16,695.08/x
  3. Step 3: Cross multiply
    30,123.60x = 41,570.66 × 16,695.08
  4. Step 4: Simplify right side
    30,123.60x = 694,025,203.02
  5. Step 5: Solve for x
    x = 694,025,203.02/30,123.60
  6. Step 6: Final answer
    x = 23,039.25

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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.