Home / 30,136.16-45,207.27-7,951.07

Finding the Fourth Proportional to 30,136.16, 45,207.27 and 7,951.07

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Solution

The fourth proportional to 30,136.16, 45,207.27 and 7,951.07 is: 11,927.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,136.16 : 45,207.27 = 7,951.07 : x
  2. Step 2: Convert to fraction form
    30,136.16/45,207.27 = 7,951.07/x
  3. Step 3: Cross multiply
    30,136.16x = 45,207.27 × 7,951.07
  4. Step 4: Simplify right side
    30,136.16x = 359,445,942.24
  5. Step 5: Solve for x
    x = 359,445,942.24/30,136.16
  6. Step 6: Final answer
    x = 11,927.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.