Home / 30,108.07-41,549.10-16,680.16

Finding the Fourth Proportional to 30,108.07, 41,549.10 and 16,680.16

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Solution

The fourth proportional to 30,108.07, 41,549.10 and 16,680.16 is: 23,018.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,108.07 : 41,549.10 = 16,680.16 : x
  2. Step 2: Convert to fraction form
    30,108.07/41,549.10 = 16,680.16/x
  3. Step 3: Cross multiply
    30,108.07x = 41,549.10 × 16,680.16
  4. Step 4: Simplify right side
    30,108.07x = 693,045,428.11
  5. Step 5: Solve for x
    x = 693,045,428.11/30,108.07
  6. Step 6: Final answer
    x = 23,018.60

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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.