Home / 30,317.86-45,465.71-11,588.64

Finding the Fourth Proportional to 30,317.86, 45,465.71 and 11,588.64

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Solution

The fourth proportional to 30,317.86, 45,465.71 and 11,588.64 is: 17,378.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,317.86 : 45,465.71 = 11,588.64 : x
  2. Step 2: Convert to fraction form
    30,317.86/45,465.71 = 11,588.64/x
  3. Step 3: Cross multiply
    30,317.86x = 45,465.71 × 11,588.64
  4. Step 4: Simplify right side
    30,317.86x = 526,885,460.26
  5. Step 5: Solve for x
    x = 526,885,460.26/30,317.86
  6. Step 6: Final answer
    x = 17,378.72

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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.