Home / 30,980.27-42,588.87-26,657.30

Finding the Fourth Proportional to 30,980.27, 42,588.87 and 26,657.30

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Solution

The fourth proportional to 30,980.27, 42,588.87 and 26,657.30 is: 36,646.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,980.27 : 42,588.87 = 26,657.30 : x
  2. Step 2: Convert to fraction form
    30,980.27/42,588.87 = 26,657.30/x
  3. Step 3: Cross multiply
    30,980.27x = 42,588.87 × 26,657.30
  4. Step 4: Simplify right side
    30,980.27x = 1,135,303,938.02
  5. Step 5: Solve for x
    x = 1,135,303,938.02/30,980.27
  6. Step 6: Final answer
    x = 36,646.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.