Home / 30,701.23-42,365.43-17,089.79

Finding the Fourth Proportional to 30,701.23, 42,365.43 and 17,089.79

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Solution

The fourth proportional to 30,701.23, 42,365.43 and 17,089.79 is: 23,582.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,701.23 : 42,365.43 = 17,089.79 : x
  2. Step 2: Convert to fraction form
    30,701.23/42,365.43 = 17,089.79/x
  3. Step 3: Cross multiply
    30,701.23x = 42,365.43 × 17,089.79
  4. Step 4: Simplify right side
    30,701.23x = 724,016,090.13
  5. Step 5: Solve for x
    x = 724,016,090.13/30,701.23
  6. Step 6: Final answer
    x = 23,582.64

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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.