Home / 30,437.88-42,003.47-17,009.25

Finding the Fourth Proportional to 30,437.88, 42,003.47 and 17,009.25

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Solution

The fourth proportional to 30,437.88, 42,003.47 and 17,009.25 is: 23,472.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,437.88 : 42,003.47 = 17,009.25 : x
  2. Step 2: Convert to fraction form
    30,437.88/42,003.47 = 17,009.25/x
  3. Step 3: Cross multiply
    30,437.88x = 42,003.47 × 17,009.25
  4. Step 4: Simplify right side
    30,437.88x = 714,447,477.40
  5. Step 5: Solve for x
    x = 714,447,477.40/30,437.88
  6. Step 6: Final answer
    x = 23,472.31

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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.