Home / 30,884.02-42,621.66-17,455.84

Finding the Fourth Proportional to 30,884.02, 42,621.66 and 17,455.84

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Solution

The fourth proportional to 30,884.02, 42,621.66 and 17,455.84 is: 24,090.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,884.02 : 42,621.66 = 17,455.84 : x
  2. Step 2: Convert to fraction form
    30,884.02/42,621.66 = 17,455.84/x
  3. Step 3: Cross multiply
    30,884.02x = 42,621.66 × 17,455.84
  4. Step 4: Simplify right side
    30,884.02x = 743,996,877.49
  5. Step 5: Solve for x
    x = 743,996,877.49/30,884.02
  6. Step 6: Final answer
    x = 24,090.03

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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.