Home / 30,771.02-42,466.34-17,343.54

Finding the Fourth Proportional to 30,771.02, 42,466.34 and 17,343.54

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Solution

The fourth proportional to 30,771.02, 42,466.34 and 17,343.54 is: 23,935.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,771.02 : 42,466.34 = 17,343.54 : x
  2. Step 2: Convert to fraction form
    30,771.02/42,466.34 = 17,343.54/x
  3. Step 3: Cross multiply
    30,771.02x = 42,466.34 × 17,343.54
  4. Step 4: Simplify right side
    30,771.02x = 736,516,709.80
  5. Step 5: Solve for x
    x = 736,516,709.80/30,771.02
  6. Step 6: Final answer
    x = 23,935.40

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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.