Home / 30,316.72-45,503.52-18,652.72

Finding the Fourth Proportional to 30,316.72, 45,503.52 and 18,652.72

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Solution

The fourth proportional to 30,316.72, 45,503.52 and 18,652.72 is: 27,996.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,316.72 : 45,503.52 = 18,652.72 : x
  2. Step 2: Convert to fraction form
    30,316.72/45,503.52 = 18,652.72/x
  3. Step 3: Cross multiply
    30,316.72x = 45,503.52 × 18,652.72
  4. Step 4: Simplify right side
    30,316.72x = 848,764,417.57
  5. Step 5: Solve for x
    x = 848,764,417.57/30,316.72
  6. Step 6: Final answer
    x = 27,996.58

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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.