Home / 31,398.96-43,330.50-17,058.84

Finding the Fourth Proportional to 31,398.96, 43,330.50 and 17,058.84

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Solution

The fourth proportional to 31,398.96, 43,330.50 and 17,058.84 is: 23,541.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,398.96 : 43,330.50 = 17,058.84 : x
  2. Step 2: Convert to fraction form
    31,398.96/43,330.50 = 17,058.84/x
  3. Step 3: Cross multiply
    31,398.96x = 43,330.50 × 17,058.84
  4. Step 4: Simplify right side
    31,398.96x = 739,168,066.62
  5. Step 5: Solve for x
    x = 739,168,066.62/31,398.96
  6. Step 6: Final answer
    x = 23,541.16

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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.