Home / 30,365.82-45,554.76-10,645.02

Finding the Fourth Proportional to 30,365.82, 45,554.76 and 10,645.02

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Solution

The fourth proportional to 30,365.82, 45,554.76 and 10,645.02 is: 15,969.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,365.82 : 45,554.76 = 10,645.02 : x
  2. Step 2: Convert to fraction form
    30,365.82/45,554.76 = 10,645.02/x
  3. Step 3: Cross multiply
    30,365.82x = 45,554.76 × 10,645.02
  4. Step 4: Simplify right side
    30,365.82x = 484,931,331.30
  5. Step 5: Solve for x
    x = 484,931,331.30/30,365.82
  6. Step 6: Final answer
    x = 15,969.64

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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.