Home / 30,442.02-42,009.57-17,013.48

Finding the Fourth Proportional to 30,442.02, 42,009.57 and 17,013.48

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Solution

The fourth proportional to 30,442.02, 42,009.57 and 17,013.48 is: 23,478.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,442.02 : 42,009.57 = 17,013.48 : x
  2. Step 2: Convert to fraction form
    30,442.02/42,009.57 = 17,013.48/x
  3. Step 3: Cross multiply
    30,442.02x = 42,009.57 × 17,013.48
  4. Step 4: Simplify right side
    30,442.02x = 714,728,979.00
  5. Step 5: Solve for x
    x = 714,728,979.00/30,442.02
  6. Step 6: Final answer
    x = 23,478.37

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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.