Home / 34,191.32-51,187.95-21,003.71

Finding the Fourth Proportional to 34,191.32, 51,187.95 and 21,003.71

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Solution

The fourth proportional to 34,191.32, 51,187.95 and 21,003.71 is: 31,444.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,191.32 : 51,187.95 = 21,003.71 : x
  2. Step 2: Convert to fraction form
    34,191.32/51,187.95 = 21,003.71/x
  3. Step 3: Cross multiply
    34,191.32x = 51,187.95 × 21,003.71
  4. Step 4: Simplify right side
    34,191.32x = 1,075,136,601.35
  5. Step 5: Solve for x
    x = 1,075,136,601.35/34,191.32
  6. Step 6: Final answer
    x = 31,444.73

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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.