Home / 55,614.88-83,434.62-30,642.08

Finding the Fourth Proportional to 55,614.88, 83,434.62 and 30,642.08

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Solution

The fourth proportional to 55,614.88, 83,434.62 and 30,642.08 is: 45,969.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,614.88 : 83,434.62 = 30,642.08 : x
  2. Step 2: Convert to fraction form
    55,614.88/83,434.62 = 30,642.08/x
  3. Step 3: Cross multiply
    55,614.88x = 83,434.62 × 30,642.08
  4. Step 4: Simplify right side
    55,614.88x = 2,556,610,300.81
  5. Step 5: Solve for x
    x = 2,556,610,300.81/55,614.88
  6. Step 6: Final answer
    x = 45,969.90

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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.