Home / 72,065.48-108,006.06-30,455.24

Finding the Fourth Proportional to 72,065.48, 108,006.06 and 30,455.24

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Solution

The fourth proportional to 72,065.48, 108,006.06 and 30,455.24 is: 45,643.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,065.48 : 108,006.06 = 30,455.24 : x
  2. Step 2: Convert to fraction form
    72,065.48/108,006.06 = 30,455.24/x
  3. Step 3: Cross multiply
    72,065.48x = 108,006.06 × 30,455.24
  4. Step 4: Simplify right side
    72,065.48x = 3,289,350,478.75
  5. Step 5: Solve for x
    x = 3,289,350,478.75/72,065.48
  6. Step 6: Final answer
    x = 45,643.91

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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.