Home / 30,215.55-45,285.04-17,075.32

Finding the Fourth Proportional to 30,215.55, 45,285.04 and 17,075.32

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Solution

The fourth proportional to 30,215.55, 45,285.04 and 17,075.32 is: 25,591.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,215.55 : 45,285.04 = 17,075.32 : x
  2. Step 2: Convert to fraction form
    30,215.55/45,285.04 = 17,075.32/x
  3. Step 3: Cross multiply
    30,215.55x = 45,285.04 × 17,075.32
  4. Step 4: Simplify right side
    30,215.55x = 773,256,549.21
  5. Step 5: Solve for x
    x = 773,256,549.21/30,215.55
  6. Step 6: Final answer
    x = 25,591.34

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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.