Home / 30,823.32-42,536.28-16,676.28

Finding the Fourth Proportional to 30,823.32, 42,536.28 and 16,676.28

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Solution

The fourth proportional to 30,823.32, 42,536.28 and 16,676.28 is: 23,013.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,823.32 : 42,536.28 = 16,676.28 : x
  2. Step 2: Convert to fraction form
    30,823.32/42,536.28 = 16,676.28/x
  3. Step 3: Cross multiply
    30,823.32x = 42,536.28 × 16,676.28
  4. Step 4: Simplify right side
    30,823.32x = 709,346,915.44
  5. Step 5: Solve for x
    x = 709,346,915.44/30,823.32
  6. Step 6: Final answer
    x = 23,013.32

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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.