Home / 30,619.01-45,938.76-11,899.67

Finding the Fourth Proportional to 30,619.01, 45,938.76 and 11,899.67

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Solution

The fourth proportional to 30,619.01, 45,938.76 and 11,899.67 is: 17,853.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,619.01 : 45,938.76 = 11,899.67 : x
  2. Step 2: Convert to fraction form
    30,619.01/45,938.76 = 11,899.67/x
  3. Step 3: Cross multiply
    30,619.01x = 45,938.76 × 11,899.67
  4. Step 4: Simplify right side
    30,619.01x = 546,655,854.52
  5. Step 5: Solve for x
    x = 546,655,854.52/30,619.01
  6. Step 6: Final answer
    x = 17,853.48

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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.