Home / 30,018.12-41,430.15-17,450.16

Finding the Fourth Proportional to 30,018.12, 41,430.15 and 17,450.16

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Solution

The fourth proportional to 30,018.12, 41,430.15 and 17,450.16 is: 24,084.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,018.12 : 41,430.15 = 17,450.16 : x
  2. Step 2: Convert to fraction form
    30,018.12/41,430.15 = 17,450.16/x
  3. Step 3: Cross multiply
    30,018.12x = 41,430.15 × 17,450.16
  4. Step 4: Simplify right side
    30,018.12x = 722,962,746.32
  5. Step 5: Solve for x
    x = 722,962,746.32/30,018.12
  6. Step 6: Final answer
    x = 24,084.21

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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.