Home / 43,907.01-65,872.40-15,830.19

Finding the Fourth Proportional to 43,907.01, 65,872.40 and 15,830.19

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Solution

The fourth proportional to 43,907.01, 65,872.40 and 15,830.19 is: 23,749.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,907.01 : 65,872.40 = 15,830.19 : x
  2. Step 2: Convert to fraction form
    43,907.01/65,872.40 = 15,830.19/x
  3. Step 3: Cross multiply
    43,907.01x = 65,872.40 × 15,830.19
  4. Step 4: Simplify right side
    43,907.01x = 1,042,772,528.61
  5. Step 5: Solve for x
    x = 1,042,772,528.61/43,907.01
  6. Step 6: Final answer
    x = 23,749.57

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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.