Home / 30,460.56-45,667.68-21,075.63

Finding the Fourth Proportional to 30,460.56, 45,667.68 and 21,075.63

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Solution

The fourth proportional to 30,460.56, 45,667.68 and 21,075.63 is: 31,597.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,460.56 : 45,667.68 = 21,075.63 : x
  2. Step 2: Convert to fraction form
    30,460.56/45,667.68 = 21,075.63/x
  3. Step 3: Cross multiply
    30,460.56x = 45,667.68 × 21,075.63
  4. Step 4: Simplify right side
    30,460.56x = 962,475,126.64
  5. Step 5: Solve for x
    x = 962,475,126.64/30,460.56
  6. Step 6: Final answer
    x = 31,597.42

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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.