Home / 43,655.46-65,528.99-38,689.60

Finding the Fourth Proportional to 43,655.46, 65,528.99 and 38,689.60

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Solution

The fourth proportional to 43,655.46, 65,528.99 and 38,689.60 is: 58,075.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,655.46 : 65,528.99 = 38,689.60 : x
  2. Step 2: Convert to fraction form
    43,655.46/65,528.99 = 38,689.60/x
  3. Step 3: Cross multiply
    43,655.46x = 65,528.99 × 38,689.60
  4. Step 4: Simplify right side
    43,655.46x = 2,535,290,431.00
  5. Step 5: Solve for x
    x = 2,535,290,431.00/43,655.46
  6. Step 6: Final answer
    x = 58,075.00

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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.