Home / 55,749.60-76,937.04-31,870.08

Finding the Fourth Proportional to 55,749.60, 76,937.04 and 31,870.08

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Solution

The fourth proportional to 55,749.60, 76,937.04 and 31,870.08 is: 43,982.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,749.60 : 76,937.04 = 31,870.08 : x
  2. Step 2: Convert to fraction form
    55,749.60/76,937.04 = 31,870.08/x
  3. Step 3: Cross multiply
    55,749.60x = 76,937.04 × 31,870.08
  4. Step 4: Simplify right side
    55,749.60x = 2,451,989,619.76
  5. Step 5: Solve for x
    x = 2,451,989,619.76/55,749.60
  6. Step 6: Final answer
    x = 43,982.19

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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.