Home / 30,399.50-45,603.81-10,674.59

Finding the Fourth Proportional to 30,399.50, 45,603.81 and 10,674.59

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Solution

The fourth proportional to 30,399.50, 45,603.81 and 10,674.59 is: 16,013.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,399.50 : 45,603.81 = 10,674.59 : x
  2. Step 2: Convert to fraction form
    30,399.50/45,603.81 = 10,674.59/x
  3. Step 3: Cross multiply
    30,399.50x = 45,603.81 × 10,674.59
  4. Step 4: Simplify right side
    30,399.50x = 486,801,746.17
  5. Step 5: Solve for x
    x = 486,801,746.17/30,399.50
  6. Step 6: Final answer
    x = 16,013.48

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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.