Home / 36,684.44-55,030.32-13,312.70

Finding the Fourth Proportional to 36,684.44, 55,030.32 and 13,312.70

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Solution

The fourth proportional to 36,684.44, 55,030.32 and 13,312.70 is: 19,970.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,684.44 : 55,030.32 = 13,312.70 : x
  2. Step 2: Convert to fraction form
    36,684.44/55,030.32 = 13,312.70/x
  3. Step 3: Cross multiply
    36,684.44x = 55,030.32 × 13,312.70
  4. Step 4: Simplify right side
    36,684.44x = 732,602,141.06
  5. Step 5: Solve for x
    x = 732,602,141.06/36,684.44
  6. Step 6: Final answer
    x = 19,970.38

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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.