Home / 30,683.95-42,342.73-17,071.92

Finding the Fourth Proportional to 30,683.95, 42,342.73 and 17,071.92

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Solution

The fourth proportional to 30,683.95, 42,342.73 and 17,071.92 is: 23,558.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,683.95 : 42,342.73 = 17,071.92 : x
  2. Step 2: Convert to fraction form
    30,683.95/42,342.73 = 17,071.92/x
  3. Step 3: Cross multiply
    30,683.95x = 42,342.73 × 17,071.92
  4. Step 4: Simplify right side
    30,683.95x = 722,871,699.14
  5. Step 5: Solve for x
    x = 722,871,699.14/30,683.95
  6. Step 6: Final answer
    x = 23,558.63

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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.