Home / 30,533.30-45,798.75-10,811.06

Finding the Fourth Proportional to 30,533.30, 45,798.75 and 10,811.06

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Solution

The fourth proportional to 30,533.30, 45,798.75 and 10,811.06 is: 16,216.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,533.30 : 45,798.75 = 10,811.06 : x
  2. Step 2: Convert to fraction form
    30,533.30/45,798.75 = 10,811.06/x
  3. Step 3: Cross multiply
    30,533.30x = 45,798.75 × 10,811.06
  4. Step 4: Simplify right side
    30,533.30x = 495,133,034.18
  5. Step 5: Solve for x
    x = 495,133,034.18/30,533.30
  6. Step 6: Final answer
    x = 16,216.17

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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.