Home / 30,406.02-41,959.86-16,977.48

Finding the Fourth Proportional to 30,406.02, 41,959.86 and 16,977.48

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Solution

The fourth proportional to 30,406.02, 41,959.86 and 16,977.48 is: 23,428.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,406.02 : 41,959.86 = 16,977.48 : x
  2. Step 2: Convert to fraction form
    30,406.02/41,959.86 = 16,977.48/x
  3. Step 3: Cross multiply
    30,406.02x = 41,959.86 × 16,977.48
  4. Step 4: Simplify right side
    30,406.02x = 712,372,683.95
  5. Step 5: Solve for x
    x = 712,372,683.95/30,406.02
  6. Step 6: Final answer
    x = 23,428.67

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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.