Home / 30,395.72-45,565.74-10,663.52

Finding the Fourth Proportional to 30,395.72, 45,565.74 and 10,663.52

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Solution

The fourth proportional to 30,395.72, 45,565.74 and 10,663.52 is: 15,985.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,395.72 : 45,565.74 = 10,663.52 : x
  2. Step 2: Convert to fraction form
    30,395.72/45,565.74 = 10,663.52/x
  3. Step 3: Cross multiply
    30,395.72x = 45,565.74 × 10,663.52
  4. Step 4: Simplify right side
    30,395.72x = 485,891,179.80
  5. Step 5: Solve for x
    x = 485,891,179.80/30,395.72
  6. Step 6: Final answer
    x = 15,985.51

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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.