Home / 45,465.27-68,197.91-13,875.50

Finding the Fourth Proportional to 45,465.27, 68,197.91 and 13,875.50

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Solution

The fourth proportional to 45,465.27, 68,197.91 and 13,875.50 is: 20,813.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,465.27 : 68,197.91 = 13,875.50 : x
  2. Step 2: Convert to fraction form
    45,465.27/68,197.91 = 13,875.50/x
  3. Step 3: Cross multiply
    45,465.27x = 68,197.91 × 13,875.50
  4. Step 4: Simplify right side
    45,465.27x = 946,280,100.21
  5. Step 5: Solve for x
    x = 946,280,100.21/45,465.27
  6. Step 6: Final answer
    x = 20,813.25

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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.