Home / 43,075.53-64,519.74-20,842.25

Finding the Fourth Proportional to 43,075.53, 64,519.74 and 20,842.25

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Solution

The fourth proportional to 43,075.53, 64,519.74 and 20,842.25 is: 31,218.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,075.53 : 64,519.74 = 20,842.25 : x
  2. Step 2: Convert to fraction form
    43,075.53/64,519.74 = 20,842.25/x
  3. Step 3: Cross multiply
    43,075.53x = 64,519.74 × 20,842.25
  4. Step 4: Simplify right side
    43,075.53x = 1,344,736,228.42
  5. Step 5: Solve for x
    x = 1,344,736,228.42/43,075.53
  6. Step 6: Final answer
    x = 31,218.10

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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.