Home / 30,607.41-42,242.48-16,998.51

Finding the Fourth Proportional to 30,607.41, 42,242.48 and 16,998.51

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Solution

The fourth proportional to 30,607.41, 42,242.48 and 16,998.51 is: 23,460.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,607.41 : 42,242.48 = 16,998.51 : x
  2. Step 2: Convert to fraction form
    30,607.41/42,242.48 = 16,998.51/x
  3. Step 3: Cross multiply
    30,607.41x = 42,242.48 × 16,998.51
  4. Step 4: Simplify right side
    30,607.41x = 718,058,922.50
  5. Step 5: Solve for x
    x = 718,058,922.50/30,607.41
  6. Step 6: Final answer
    x = 23,460.30

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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.