Home / 30,101.19-45,165.80-13,472.48

Finding the Fourth Proportional to 30,101.19, 45,165.80 and 13,472.48

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Solution

The fourth proportional to 30,101.19, 45,165.80 and 13,472.48 is: 20,214.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,101.19 : 45,165.80 = 13,472.48 : x
  2. Step 2: Convert to fraction form
    30,101.19/45,165.80 = 13,472.48/x
  3. Step 3: Cross multiply
    30,101.19x = 45,165.80 × 13,472.48
  4. Step 4: Simplify right side
    30,101.19x = 608,495,229.72
  5. Step 5: Solve for x
    x = 608,495,229.72/30,101.19
  6. Step 6: Final answer
    x = 20,214.99

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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.