Home / 30,017.43-45,027.36-11,295.50

Finding the Fourth Proportional to 30,017.43, 45,027.36 and 11,295.50

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Solution

The fourth proportional to 30,017.43, 45,027.36 and 11,295.50 is: 16,943.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,017.43 : 45,027.36 = 11,295.50 : x
  2. Step 2: Convert to fraction form
    30,017.43/45,027.36 = 11,295.50/x
  3. Step 3: Cross multiply
    30,017.43x = 45,027.36 × 11,295.50
  4. Step 4: Simplify right side
    30,017.43x = 508,606,319.74
  5. Step 5: Solve for x
    x = 508,606,319.74/30,017.43
  6. Step 6: Final answer
    x = 16,943.70

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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.