Home / 45,297.72-67,924.70-18,995.40

Finding the Fourth Proportional to 45,297.72, 67,924.70 and 18,995.40

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Solution

The fourth proportional to 45,297.72, 67,924.70 and 18,995.40 is: 28,483.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,297.72 : 67,924.70 = 18,995.40 : x
  2. Step 2: Convert to fraction form
    45,297.72/67,924.70 = 18,995.40/x
  3. Step 3: Cross multiply
    45,297.72x = 67,924.70 × 18,995.40
  4. Step 4: Simplify right side
    45,297.72x = 1,290,256,846.38
  5. Step 5: Solve for x
    x = 1,290,256,846.38/45,297.72
  6. Step 6: Final answer
    x = 28,483.92

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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.