Home / 30,147.18-41,603.12-16,718.59

Finding the Fourth Proportional to 30,147.18, 41,603.12 and 16,718.59

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Solution

The fourth proportional to 30,147.18, 41,603.12 and 16,718.59 is: 23,071.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,147.18 : 41,603.12 = 16,718.59 : x
  2. Step 2: Convert to fraction form
    30,147.18/41,603.12 = 16,718.59/x
  3. Step 3: Cross multiply
    30,147.18x = 41,603.12 × 16,718.59
  4. Step 4: Simplify right side
    30,147.18x = 695,545,506.00
  5. Step 5: Solve for x
    x = 695,545,506.00/30,147.18
  6. Step 6: Final answer
    x = 23,071.66

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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.