Home / 30,066.93-45,105.93-12,538.26

Finding the Fourth Proportional to 30,066.93, 45,105.93 and 12,538.26

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Solution

The fourth proportional to 30,066.93, 45,105.93 and 12,538.26 is: 18,809.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,066.93 : 45,105.93 = 12,538.26 : x
  2. Step 2: Convert to fraction form
    30,066.93/45,105.93 = 12,538.26/x
  3. Step 3: Cross multiply
    30,066.93x = 45,105.93 × 12,538.26
  4. Step 4: Simplify right side
    30,066.93x = 565,549,877.88
  5. Step 5: Solve for x
    x = 565,549,877.88/30,066.93
  6. Step 6: Final answer
    x = 18,809.70

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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.