Home / 30,268.34-45,402.02-13,616.60

Finding the Fourth Proportional to 30,268.34, 45,402.02 and 13,616.60

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Solution

The fourth proportional to 30,268.34, 45,402.02 and 13,616.60 is: 20,424.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,268.34 : 45,402.02 = 13,616.60 : x
  2. Step 2: Convert to fraction form
    30,268.34/45,402.02 = 13,616.60/x
  3. Step 3: Cross multiply
    30,268.34x = 45,402.02 × 13,616.60
  4. Step 4: Simplify right side
    30,268.34x = 618,220,975.27
  5. Step 5: Solve for x
    x = 618,220,975.27/30,268.34
  6. Step 6: Final answer
    x = 20,424.67

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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.