Home / 30,130.77-41,580.68-17,386.59

Finding the Fourth Proportional to 30,130.77, 41,580.68 and 17,386.59

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Solution

The fourth proportional to 30,130.77, 41,580.68 and 17,386.59 is: 23,993.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,130.77 : 41,580.68 = 17,386.59 : x
  2. Step 2: Convert to fraction form
    30,130.77/41,580.68 = 17,386.59/x
  3. Step 3: Cross multiply
    30,130.77x = 41,580.68 × 17,386.59
  4. Step 4: Simplify right side
    30,130.77x = 722,946,148.15
  5. Step 5: Solve for x
    x = 722,946,148.15/30,130.77
  6. Step 6: Final answer
    x = 23,993.62

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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.