Home / 30,206.37-41,681.75-17,638.41

Finding the Fourth Proportional to 30,206.37, 41,681.75 and 17,638.41

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Solution

The fourth proportional to 30,206.37, 41,681.75 and 17,638.41 is: 24,339.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,206.37 : 41,681.75 = 17,638.41 : x
  2. Step 2: Convert to fraction form
    30,206.37/41,681.75 = 17,638.41/x
  3. Step 3: Cross multiply
    30,206.37x = 41,681.75 × 17,638.41
  4. Step 4: Simplify right side
    30,206.37x = 735,199,707.83
  5. Step 5: Solve for x
    x = 735,199,707.83/30,206.37
  6. Step 6: Final answer
    x = 24,339.23

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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.