Home / 30,049.04-45,301.73-28,441.59

Finding the Fourth Proportional to 30,049.04, 45,301.73 and 28,441.59

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Solution

The fourth proportional to 30,049.04, 45,301.73 and 28,441.59 is: 42,878.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,049.04 : 45,301.73 = 28,441.59 : x
  2. Step 2: Convert to fraction form
    30,049.04/45,301.73 = 28,441.59/x
  3. Step 3: Cross multiply
    30,049.04x = 45,301.73 × 28,441.59
  4. Step 4: Simplify right side
    30,049.04x = 1,288,453,088.74
  5. Step 5: Solve for x
    x = 1,288,453,088.74/30,049.04
  6. Step 6: Final answer
    x = 42,878.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.