Home / 64,290.22-96,444.45-19,920.46

Finding the Fourth Proportional to 64,290.22, 96,444.45 and 19,920.46

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Solution

The fourth proportional to 64,290.22, 96,444.45 and 19,920.46 is: 29,883.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,290.22 : 96,444.45 = 19,920.46 : x
  2. Step 2: Convert to fraction form
    64,290.22/96,444.45 = 19,920.46/x
  3. Step 3: Cross multiply
    64,290.22x = 96,444.45 × 19,920.46
  4. Step 4: Simplify right side
    64,290.22x = 1,921,217,808.45
  5. Step 5: Solve for x
    x = 1,921,217,808.45/64,290.22
  6. Step 6: Final answer
    x = 29,883.52

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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.