Home / 75,514.40-113,271.20-19,354.40

Finding the Fourth Proportional to 75,514.40, 113,271.20 and 19,354.40

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Solution

The fourth proportional to 75,514.40, 113,271.20 and 19,354.40 is: 29,031.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,514.40 : 113,271.20 = 19,354.40 : x
  2. Step 2: Convert to fraction form
    75,514.40/113,271.20 = 19,354.40/x
  3. Step 3: Cross multiply
    75,514.40x = 113,271.20 × 19,354.40
  4. Step 4: Simplify right side
    75,514.40x = 2,192,296,113.28
  5. Step 5: Solve for x
    x = 2,192,296,113.28/75,514.40
  6. Step 6: Final answer
    x = 29,031.50

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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.