Home / 30,528.06-45,710.07-19,374.36

Finding the Fourth Proportional to 30,528.06, 45,710.07 and 19,374.36

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Solution

The fourth proportional to 30,528.06, 45,710.07 and 19,374.36 is: 29,009.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,528.06 : 45,710.07 = 19,374.36 : x
  2. Step 2: Convert to fraction form
    30,528.06/45,710.07 = 19,374.36/x
  3. Step 3: Cross multiply
    30,528.06x = 45,710.07 × 19,374.36
  4. Step 4: Simplify right side
    30,528.06x = 885,603,351.81
  5. Step 5: Solve for x
    x = 885,603,351.81/30,528.06
  6. Step 6: Final answer
    x = 29,009.49

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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.