Home / 36,970.15-55,472.72-19,191.36

Finding the Fourth Proportional to 36,970.15, 55,472.72 and 19,191.36

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Solution

The fourth proportional to 36,970.15, 55,472.72 and 19,191.36 is: 28,796.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,970.15 : 55,472.72 = 19,191.36 : x
  2. Step 2: Convert to fraction form
    36,970.15/55,472.72 = 19,191.36/x
  3. Step 3: Cross multiply
    36,970.15x = 55,472.72 × 19,191.36
  4. Step 4: Simplify right side
    36,970.15x = 1,064,596,939.70
  5. Step 5: Solve for x
    x = 1,064,596,939.70/36,970.15
  6. Step 6: Final answer
    x = 28,796.12

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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.