Home / 30,018-41,427.27-17,445.18

Finding the Fourth Proportional to 30,018, 41,427.27 and 17,445.18

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Solution

The fourth proportional to 30,018, 41,427.27 and 17,445.18 is: 24,075.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,018 : 41,427.27 = 17,445.18 : x
  2. Step 2: Convert to fraction form
    30,018/41,427.27 = 17,445.18/x
  3. Step 3: Cross multiply
    30,018x = 41,427.27 × 17,445.18
  4. Step 4: Simplify right side
    30,018x = 722,706,182.06
  5. Step 5: Solve for x
    x = 722,706,182.06/30,018
  6. Step 6: Final answer
    x = 24,075.76

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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.