Home / 36,869.34-55,270.80-13,490.31

Finding the Fourth Proportional to 36,869.34, 55,270.80 and 13,490.31

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Solution

The fourth proportional to 36,869.34, 55,270.80 and 13,490.31 is: 20,223.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,869.34 : 55,270.80 = 13,490.31 : x
  2. Step 2: Convert to fraction form
    36,869.34/55,270.80 = 13,490.31/x
  3. Step 3: Cross multiply
    36,869.34x = 55,270.80 × 13,490.31
  4. Step 4: Simplify right side
    36,869.34x = 745,620,225.95
  5. Step 5: Solve for x
    x = 745,620,225.95/36,869.34
  6. Step 6: Final answer
    x = 20,223.31

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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.