Home / 30,033.90-45,036.12-17,557.08

Finding the Fourth Proportional to 30,033.90, 45,036.12 and 17,557.08

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Solution

The fourth proportional to 30,033.90, 45,036.12 and 17,557.08 is: 26,327.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,033.90 : 45,036.12 = 17,557.08 : x
  2. Step 2: Convert to fraction form
    30,033.90/45,036.12 = 17,557.08/x
  3. Step 3: Cross multiply
    30,033.90x = 45,036.12 × 17,557.08
  4. Step 4: Simplify right side
    30,033.90x = 790,702,761.73
  5. Step 5: Solve for x
    x = 790,702,761.73/30,033.90
  6. Step 6: Final answer
    x = 26,327.01

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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.