Home / 30,045.40-41,462.19-16,616.35

Finding the Fourth Proportional to 30,045.40, 41,462.19 and 16,616.35

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Solution

The fourth proportional to 30,045.40, 41,462.19 and 16,616.35 is: 22,930.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,045.40 : 41,462.19 = 16,616.35 : x
  2. Step 2: Convert to fraction form
    30,045.40/41,462.19 = 16,616.35/x
  3. Step 3: Cross multiply
    30,045.40x = 41,462.19 × 16,616.35
  4. Step 4: Simplify right side
    30,045.40x = 688,949,970.41
  5. Step 5: Solve for x
    x = 688,949,970.41/30,045.40
  6. Step 6: Final answer
    x = 22,930.30

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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.