Home / 36,316.61-50,001.05-30,990.05

Finding the Fourth Proportional to 36,316.61, 50,001.05 and 30,990.05

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Solution

The fourth proportional to 36,316.61, 50,001.05 and 30,990.05 is: 42,667.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,316.61 : 50,001.05 = 30,990.05 : x
  2. Step 2: Convert to fraction form
    36,316.61/50,001.05 = 30,990.05/x
  3. Step 3: Cross multiply
    36,316.61x = 50,001.05 × 30,990.05
  4. Step 4: Simplify right side
    36,316.61x = 1,549,534,867.02
  5. Step 5: Solve for x
    x = 1,549,534,867.02/36,316.61
  6. Step 6: Final answer
    x = 42,667.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.