Home / 30,467.10-42,044.31-17,038.20

Finding the Fourth Proportional to 30,467.10, 42,044.31 and 17,038.20

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Solution

The fourth proportional to 30,467.10, 42,044.31 and 17,038.20 is: 23,512.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,467.10 : 42,044.31 = 17,038.20 : x
  2. Step 2: Convert to fraction form
    30,467.10/42,044.31 = 17,038.20/x
  3. Step 3: Cross multiply
    30,467.10x = 42,044.31 × 17,038.20
  4. Step 4: Simplify right side
    30,467.10x = 716,359,362.64
  5. Step 5: Solve for x
    x = 716,359,362.64/30,467.10
  6. Step 6: Final answer
    x = 23,512.55

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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.