Home / 30,531.78-45,792.18-10,810.44

Finding the Fourth Proportional to 30,531.78, 45,792.18 and 10,810.44

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Solution

The fourth proportional to 30,531.78, 45,792.18 and 10,810.44 is: 16,213.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,531.78 : 45,792.18 = 10,810.44 : x
  2. Step 2: Convert to fraction form
    30,531.78/45,792.18 = 10,810.44/x
  3. Step 3: Cross multiply
    30,531.78x = 45,792.18 × 10,810.44
  4. Step 4: Simplify right side
    30,531.78x = 495,033,614.36
  5. Step 5: Solve for x
    x = 495,033,614.36/30,531.78
  6. Step 6: Final answer
    x = 16,213.72

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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.