Home / 30,438.02-42,004.37-17,009.27

Finding the Fourth Proportional to 30,438.02, 42,004.37 and 17,009.27

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Solution

The fourth proportional to 30,438.02, 42,004.37 and 17,009.27 is: 23,472.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,438.02 : 42,004.37 = 17,009.27 : x
  2. Step 2: Convert to fraction form
    30,438.02/42,004.37 = 17,009.27/x
  3. Step 3: Cross multiply
    30,438.02x = 42,004.37 × 17,009.27
  4. Step 4: Simplify right side
    30,438.02x = 714,463,896.80
  5. Step 5: Solve for x
    x = 714,463,896.80/30,438.02
  6. Step 6: Final answer
    x = 23,472.74

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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.