Home / 55,191.88-76,164.90-30,041.32

Finding the Fourth Proportional to 55,191.88, 76,164.90 and 30,041.32

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Solution

The fourth proportional to 55,191.88, 76,164.90 and 30,041.32 is: 41,457.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,191.88 : 76,164.90 = 30,041.32 : x
  2. Step 2: Convert to fraction form
    55,191.88/76,164.90 = 30,041.32/x
  3. Step 3: Cross multiply
    55,191.88x = 76,164.90 × 30,041.32
  4. Step 4: Simplify right side
    55,191.88x = 2,288,094,133.67
  5. Step 5: Solve for x
    x = 2,288,094,133.67/55,191.88
  6. Step 6: Final answer
    x = 41,457.08

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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.