Home / 30,516.48-42,113.44-17,087.36

Finding the Fourth Proportional to 30,516.48, 42,113.44 and 17,087.36

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Solution

The fourth proportional to 30,516.48, 42,113.44 and 17,087.36 is: 23,580.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,516.48 : 42,113.44 = 17,087.36 : x
  2. Step 2: Convert to fraction form
    30,516.48/42,113.44 = 17,087.36/x
  3. Step 3: Cross multiply
    30,516.48x = 42,113.44 × 17,087.36
  4. Step 4: Simplify right side
    30,516.48x = 719,607,510.12
  5. Step 5: Solve for x
    x = 719,607,510.12/30,516.48
  6. Step 6: Final answer
    x = 23,580.95

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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.