Home / 34,173.95-51,236.32-20,999.10

Finding the Fourth Proportional to 34,173.95, 51,236.32 and 20,999.10

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Solution

The fourth proportional to 34,173.95, 51,236.32 and 20,999.10 is: 31,483.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,173.95 : 51,236.32 = 20,999.10 : x
  2. Step 2: Convert to fraction form
    34,173.95/51,236.32 = 20,999.10/x
  3. Step 3: Cross multiply
    34,173.95x = 51,236.32 × 20,999.10
  4. Step 4: Simplify right side
    34,173.95x = 1,075,916,607.31
  5. Step 5: Solve for x
    x = 1,075,916,607.31/34,173.95
  6. Step 6: Final answer
    x = 31,483.53

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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.