Home / 30,466.32-42,044.08-18,530.16

Finding the Fourth Proportional to 30,466.32, 42,044.08 and 18,530.16

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Solution

The fourth proportional to 30,466.32, 42,044.08 and 18,530.16 is: 25,571.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,466.32 : 42,044.08 = 18,530.16 : x
  2. Step 2: Convert to fraction form
    30,466.32/42,044.08 = 18,530.16/x
  3. Step 3: Cross multiply
    30,466.32x = 42,044.08 × 18,530.16
  4. Step 4: Simplify right side
    30,466.32x = 779,083,529.45
  5. Step 5: Solve for x
    x = 779,083,529.45/30,466.32
  6. Step 6: Final answer
    x = 25,571.96

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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.