Home / 30,888.77-42,626.13-16,741.45

Finding the Fourth Proportional to 30,888.77, 42,626.13 and 16,741.45

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Solution

The fourth proportional to 30,888.77, 42,626.13 and 16,741.45 is: 23,102.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,888.77 : 42,626.13 = 16,741.45 : x
  2. Step 2: Convert to fraction form
    30,888.77/42,626.13 = 16,741.45/x
  3. Step 3: Cross multiply
    30,888.77x = 42,626.13 × 16,741.45
  4. Step 4: Simplify right side
    30,888.77x = 713,623,010.96
  5. Step 5: Solve for x
    x = 713,623,010.96/30,888.77
  6. Step 6: Final answer
    x = 23,102.99

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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.