Home / 30,414.02-41,970.15-16,985.03

Finding the Fourth Proportional to 30,414.02, 41,970.15 and 16,985.03

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Solution

The fourth proportional to 30,414.02, 41,970.15 and 16,985.03 is: 23,438.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,414.02 : 41,970.15 = 16,985.03 : x
  2. Step 2: Convert to fraction form
    30,414.02/41,970.15 = 16,985.03/x
  3. Step 3: Cross multiply
    30,414.02x = 41,970.15 × 16,985.03
  4. Step 4: Simplify right side
    30,414.02x = 712,864,047.00
  5. Step 5: Solve for x
    x = 712,864,047.00/30,414.02
  6. Step 6: Final answer
    x = 23,438.67

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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.