Home / 45,075.33-67,612.71-18,415.68

Finding the Fourth Proportional to 45,075.33, 67,612.71 and 18,415.68

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Solution

The fourth proportional to 45,075.33, 67,612.71 and 18,415.68 is: 27,623.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,075.33 : 67,612.71 = 18,415.68 : x
  2. Step 2: Convert to fraction form
    45,075.33/67,612.71 = 18,415.68/x
  3. Step 3: Cross multiply
    45,075.33x = 67,612.71 × 18,415.68
  4. Step 4: Simplify right side
    45,075.33x = 1,245,134,031.29
  5. Step 5: Solve for x
    x = 1,245,134,031.29/45,075.33
  6. Step 6: Final answer
    x = 27,623.40

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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.