Home / 36,946.47-55,407.93-11,980.65

Finding the Fourth Proportional to 36,946.47, 55,407.93 and 11,980.65

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Solution

The fourth proportional to 36,946.47, 55,407.93 and 11,980.65 is: 17,967.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,946.47 : 55,407.93 = 11,980.65 : x
  2. Step 2: Convert to fraction form
    36,946.47/55,407.93 = 11,980.65/x
  3. Step 3: Cross multiply
    36,946.47x = 55,407.93 × 11,980.65
  4. Step 4: Simplify right side
    36,946.47x = 663,823,016.55
  5. Step 5: Solve for x
    x = 663,823,016.55/36,946.47
  6. Step 6: Final answer
    x = 17,967.16

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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.