Home / 30,489.13-42,075.12-17,061.27

Finding the Fourth Proportional to 30,489.13, 42,075.12 and 17,061.27

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Solution

The fourth proportional to 30,489.13, 42,075.12 and 17,061.27 is: 23,544.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,489.13 : 42,075.12 = 17,061.27 : x
  2. Step 2: Convert to fraction form
    30,489.13/42,075.12 = 17,061.27/x
  3. Step 3: Cross multiply
    30,489.13x = 42,075.12 × 17,061.27
  4. Step 4: Simplify right side
    30,489.13x = 717,854,772.23
  5. Step 5: Solve for x
    x = 717,854,772.23/30,489.13
  6. Step 6: Final answer
    x = 23,544.61

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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.