Home / 30,503.63-42,096.88-17,075.72

Finding the Fourth Proportional to 30,503.63, 42,096.88 and 17,075.72

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Solution

The fourth proportional to 30,503.63, 42,096.88 and 17,075.72 is: 23,565.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,503.63 : 42,096.88 = 17,075.72 : x
  2. Step 2: Convert to fraction form
    30,503.63/42,096.88 = 17,075.72/x
  3. Step 3: Cross multiply
    30,503.63x = 42,096.88 × 17,075.72
  4. Step 4: Simplify right side
    30,503.63x = 718,834,662.34
  5. Step 5: Solve for x
    x = 718,834,662.34/30,503.63
  6. Step 6: Final answer
    x = 23,565.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.