Home / 30,214.34-45,322.40-14,421.03

Finding the Fourth Proportional to 30,214.34, 45,322.40 and 14,421.03

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Solution

The fourth proportional to 30,214.34, 45,322.40 and 14,421.03 is: 21,631.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,214.34 : 45,322.40 = 14,421.03 : x
  2. Step 2: Convert to fraction form
    30,214.34/45,322.40 = 14,421.03/x
  3. Step 3: Cross multiply
    30,214.34x = 45,322.40 × 14,421.03
  4. Step 4: Simplify right side
    30,214.34x = 653,595,617.97
  5. Step 5: Solve for x
    x = 653,595,617.97/30,214.34
  6. Step 6: Final answer
    x = 21,631.97

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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.