Home / 30,300.26-45,459.65-15,519.63

Finding the Fourth Proportional to 30,300.26, 45,459.65 and 15,519.63

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Solution

The fourth proportional to 30,300.26, 45,459.65 and 15,519.63 is: 23,284.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,300.26 : 45,459.65 = 15,519.63 : x
  2. Step 2: Convert to fraction form
    30,300.26/45,459.65 = 15,519.63/x
  3. Step 3: Cross multiply
    30,300.26x = 45,459.65 × 15,519.63
  4. Step 4: Simplify right side
    30,300.26x = 705,516,947.93
  5. Step 5: Solve for x
    x = 705,516,947.93/30,300.26
  6. Step 6: Final answer
    x = 23,284.19

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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.