Home / 45,307.35-67,950.09-19,005.03

Finding the Fourth Proportional to 45,307.35, 67,950.09 and 19,005.03

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Solution

The fourth proportional to 45,307.35, 67,950.09 and 19,005.03 is: 28,502.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,307.35 : 67,950.09 = 19,005.03 : x
  2. Step 2: Convert to fraction form
    45,307.35/67,950.09 = 19,005.03/x
  3. Step 3: Cross multiply
    45,307.35x = 67,950.09 × 19,005.03
  4. Step 4: Simplify right side
    45,307.35x = 1,291,393,498.95
  5. Step 5: Solve for x
    x = 1,291,393,498.95/45,307.35
  6. Step 6: Final answer
    x = 28,502.96

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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.