Home / 43,156.02-64,720.38-18,191.46

Finding the Fourth Proportional to 43,156.02, 64,720.38 and 18,191.46

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Solution

The fourth proportional to 43,156.02, 64,720.38 and 18,191.46 is: 27,281.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,156.02 : 64,720.38 = 18,191.46 : x
  2. Step 2: Convert to fraction form
    43,156.02/64,720.38 = 18,191.46/x
  3. Step 3: Cross multiply
    43,156.02x = 64,720.38 × 18,191.46
  4. Step 4: Simplify right side
    43,156.02x = 1,177,358,203.95
  5. Step 5: Solve for x
    x = 1,177,358,203.95/43,156.02
  6. Step 6: Final answer
    x = 27,281.44

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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.