Home / 30,393.57-41,925.60-18,285.66

Finding the Fourth Proportional to 30,393.57, 41,925.60 and 18,285.66

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Solution

The fourth proportional to 30,393.57, 41,925.60 and 18,285.66 is: 25,223.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,393.57 : 41,925.60 = 18,285.66 : x
  2. Step 2: Convert to fraction form
    30,393.57/41,925.60 = 18,285.66/x
  3. Step 3: Cross multiply
    30,393.57x = 41,925.60 × 18,285.66
  4. Step 4: Simplify right side
    30,393.57x = 766,637,266.90
  5. Step 5: Solve for x
    x = 766,637,266.90/30,393.57
  6. Step 6: Final answer
    x = 25,223.67

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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.