Home / 30,831.09-42,548.84-17,397.46

Finding the Fourth Proportional to 30,831.09, 42,548.84 and 17,397.46

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Solution

The fourth proportional to 30,831.09, 42,548.84 and 17,397.46 is: 24,009.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,831.09 : 42,548.84 = 17,397.46 : x
  2. Step 2: Convert to fraction form
    30,831.09/42,548.84 = 17,397.46/x
  3. Step 3: Cross multiply
    30,831.09x = 42,548.84 × 17,397.46
  4. Step 4: Simplify right side
    30,831.09x = 740,241,741.95
  5. Step 5: Solve for x
    x = 740,241,741.95/30,831.09
  6. Step 6: Final answer
    x = 24,009.59

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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.