Home / 30,003.67-45,011.65-10,283.76

Finding the Fourth Proportional to 30,003.67, 45,011.65 and 10,283.76

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Solution

The fourth proportional to 30,003.67, 45,011.65 and 10,283.76 is: 15,427.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,003.67 : 45,011.65 = 10,283.76 : x
  2. Step 2: Convert to fraction form
    30,003.67/45,011.65 = 10,283.76/x
  3. Step 3: Cross multiply
    30,003.67x = 45,011.65 × 10,283.76
  4. Step 4: Simplify right side
    30,003.67x = 462,888,999.38
  5. Step 5: Solve for x
    x = 462,888,999.38/30,003.67
  6. Step 6: Final answer
    x = 15,427.75

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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.