Home / 30,736.32-42,399.36-26,750.40

Finding the Fourth Proportional to 30,736.32, 42,399.36 and 26,750.40

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Solution

The fourth proportional to 30,736.32, 42,399.36 and 26,750.40 is: 36,900.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,736.32 : 42,399.36 = 26,750.40 : x
  2. Step 2: Convert to fraction form
    30,736.32/42,399.36 = 26,750.40/x
  3. Step 3: Cross multiply
    30,736.32x = 42,399.36 × 26,750.40
  4. Step 4: Simplify right side
    30,736.32x = 1,134,199,839.74
  5. Step 5: Solve for x
    x = 1,134,199,839.74/30,736.32
  6. Step 6: Final answer
    x = 36,900.96

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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.