Home / 39,347.75-58,989.45-18,300.91

Finding the Fourth Proportional to 39,347.75, 58,989.45 and 18,300.91

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Solution

The fourth proportional to 39,347.75, 58,989.45 and 18,300.91 is: 27,436.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,347.75 : 58,989.45 = 18,300.91 : x
  2. Step 2: Convert to fraction form
    39,347.75/58,989.45 = 18,300.91/x
  3. Step 3: Cross multiply
    39,347.75x = 58,989.45 × 18,300.91
  4. Step 4: Simplify right side
    39,347.75x = 1,079,560,615.40
  5. Step 5: Solve for x
    x = 1,079,560,615.40/39,347.75
  6. Step 6: Final answer
    x = 27,436.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.