Home / 30,119.59-45,178.27-14,335.93

Finding the Fourth Proportional to 30,119.59, 45,178.27 and 14,335.93

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Solution

The fourth proportional to 30,119.59, 45,178.27 and 14,335.93 is: 21,503.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,119.59 : 45,178.27 = 14,335.93 : x
  2. Step 2: Convert to fraction form
    30,119.59/45,178.27 = 14,335.93/x
  3. Step 3: Cross multiply
    30,119.59x = 45,178.27 × 14,335.93
  4. Step 4: Simplify right side
    30,119.59x = 647,672,516.24
  5. Step 5: Solve for x
    x = 647,672,516.24/30,119.59
  6. Step 6: Final answer
    x = 21,503.36

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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.