Home / 40,055.85-60,065.55-21,331.08

Finding the Fourth Proportional to 40,055.85, 60,065.55 and 21,331.08

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Solution

The fourth proportional to 40,055.85, 60,065.55 and 21,331.08 is: 31,986.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,055.85 : 60,065.55 = 21,331.08 : x
  2. Step 2: Convert to fraction form
    40,055.85/60,065.55 = 21,331.08/x
  3. Step 3: Cross multiply
    40,055.85x = 60,065.55 × 21,331.08
  4. Step 4: Simplify right side
    40,055.85x = 1,281,263,052.29
  5. Step 5: Solve for x
    x = 1,281,263,052.29/40,055.85
  6. Step 6: Final answer
    x = 31,986.91

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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.