Home / 43,075.62-64,613.25-11,485.62

Finding the Fourth Proportional to 43,075.62, 64,613.25 and 11,485.62

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Solution

The fourth proportional to 43,075.62, 64,613.25 and 11,485.62 is: 17,228.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,075.62 : 64,613.25 = 11,485.62 : x
  2. Step 2: Convert to fraction form
    43,075.62/64,613.25 = 11,485.62/x
  3. Step 3: Cross multiply
    43,075.62x = 64,613.25 × 11,485.62
  4. Step 4: Simplify right side
    43,075.62x = 742,123,236.47
  5. Step 5: Solve for x
    x = 742,123,236.47/43,075.62
  6. Step 6: Final answer
    x = 17,228.38

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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.