Home / 30,376.10-41,918.91-16,946.55

Finding the Fourth Proportional to 30,376.10, 41,918.91 and 16,946.55

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Solution

The fourth proportional to 30,376.10, 41,918.91 and 16,946.55 is: 23,386.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,376.10 : 41,918.91 = 16,946.55 : x
  2. Step 2: Convert to fraction form
    30,376.10/41,918.91 = 16,946.55/x
  3. Step 3: Cross multiply
    30,376.10x = 41,918.91 × 16,946.55
  4. Step 4: Simplify right side
    30,376.10x = 710,380,904.26
  5. Step 5: Solve for x
    x = 710,380,904.26/30,376.10
  6. Step 6: Final answer
    x = 23,386.18

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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.