Home / 30,500.30-45,740.72-15,707.28

Finding the Fourth Proportional to 30,500.30, 45,740.72 and 15,707.28

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Solution

The fourth proportional to 30,500.30, 45,740.72 and 15,707.28 is: 23,555.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,500.30 : 45,740.72 = 15,707.28 : x
  2. Step 2: Convert to fraction form
    30,500.30/45,740.72 = 15,707.28/x
  3. Step 3: Cross multiply
    30,500.30x = 45,740.72 × 15,707.28
  4. Step 4: Simplify right side
    30,500.30x = 718,462,296.44
  5. Step 5: Solve for x
    x = 718,462,296.44/30,500.30
  6. Step 6: Final answer
    x = 23,555.91

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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.