Home / 30,421.76-45,634.25-9,376.26

Finding the Fourth Proportional to 30,421.76, 45,634.25 and 9,376.26

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Solution

The fourth proportional to 30,421.76, 45,634.25 and 9,376.26 is: 14,064.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,421.76 : 45,634.25 = 9,376.26 : x
  2. Step 2: Convert to fraction form
    30,421.76/45,634.25 = 9,376.26/x
  3. Step 3: Cross multiply
    30,421.76x = 45,634.25 × 9,376.26
  4. Step 4: Simplify right side
    30,421.76x = 427,878,445.22
  5. Step 5: Solve for x
    x = 427,878,445.22/30,421.76
  6. Step 6: Final answer
    x = 14,064.88

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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.