Home / 30,200.34-45,315.56-13,572.26

Finding the Fourth Proportional to 30,200.34, 45,315.56 and 13,572.26

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Solution

The fourth proportional to 30,200.34, 45,315.56 and 13,572.26 is: 20,365.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,200.34 : 45,315.56 = 13,572.26 : x
  2. Step 2: Convert to fraction form
    30,200.34/45,315.56 = 13,572.26/x
  3. Step 3: Cross multiply
    30,200.34x = 45,315.56 × 13,572.26
  4. Step 4: Simplify right side
    30,200.34x = 615,034,562.37
  5. Step 5: Solve for x
    x = 615,034,562.37/30,200.34
  6. Step 6: Final answer
    x = 20,365.15

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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.