Home / 30,075.06-41,502.75-16,645.98

Finding the Fourth Proportional to 30,075.06, 41,502.75 and 16,645.98

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Solution

The fourth proportional to 30,075.06, 41,502.75 and 16,645.98 is: 22,970.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,075.06 : 41,502.75 = 16,645.98 : x
  2. Step 2: Convert to fraction form
    30,075.06/41,502.75 = 16,645.98/x
  3. Step 3: Cross multiply
    30,075.06x = 41,502.75 × 16,645.98
  4. Step 4: Simplify right side
    30,075.06x = 690,853,946.45
  5. Step 5: Solve for x
    x = 690,853,946.45/30,075.06
  6. Step 6: Final answer
    x = 22,970.99

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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.