Home / 50,030.07-75,045.23-20,447.90

Finding the Fourth Proportional to 50,030.07, 75,045.23 and 20,447.90

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Solution

The fourth proportional to 50,030.07, 75,045.23 and 20,447.90 is: 30,671.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,030.07 : 75,045.23 = 20,447.90 : x
  2. Step 2: Convert to fraction form
    50,030.07/75,045.23 = 20,447.90/x
  3. Step 3: Cross multiply
    50,030.07x = 75,045.23 × 20,447.90
  4. Step 4: Simplify right side
    50,030.07x = 1,534,517,358.52
  5. Step 5: Solve for x
    x = 1,534,517,358.52/50,030.07
  6. Step 6: Final answer
    x = 30,671.90

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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.