Home / 45,075.64-67,643.70-17,021.56

Finding the Fourth Proportional to 45,075.64, 67,643.70 and 17,021.56

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Solution

The fourth proportional to 45,075.64, 67,643.70 and 17,021.56 is: 25,543.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,075.64 : 67,643.70 = 17,021.56 : x
  2. Step 2: Convert to fraction form
    45,075.64/67,643.70 = 17,021.56/x
  3. Step 3: Cross multiply
    45,075.64x = 67,643.70 × 17,021.56
  4. Step 4: Simplify right side
    45,075.64x = 1,151,401,298.17
  5. Step 5: Solve for x
    x = 1,151,401,298.17/45,075.64
  6. Step 6: Final answer
    x = 25,543.76

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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.