Home / 30,041.08-45,062.66-10,319.48

Finding the Fourth Proportional to 30,041.08, 45,062.66 and 10,319.48

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Solution

The fourth proportional to 30,041.08, 45,062.66 and 10,319.48 is: 15,479.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,041.08 : 45,062.66 = 10,319.48 : x
  2. Step 2: Convert to fraction form
    30,041.08/45,062.66 = 10,319.48/x
  3. Step 3: Cross multiply
    30,041.08x = 45,062.66 × 10,319.48
  4. Step 4: Simplify right side
    30,041.08x = 465,023,218.62
  5. Step 5: Solve for x
    x = 465,023,218.62/30,041.08
  6. Step 6: Final answer
    x = 15,479.58

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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.