Home / 45,637.68-68,427.23-19,002.12

Finding the Fourth Proportional to 45,637.68, 68,427.23 and 19,002.12

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Solution

The fourth proportional to 45,637.68, 68,427.23 and 19,002.12 is: 28,490.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,637.68 : 68,427.23 = 19,002.12 : x
  2. Step 2: Convert to fraction form
    45,637.68/68,427.23 = 19,002.12/x
  3. Step 3: Cross multiply
    45,637.68x = 68,427.23 × 19,002.12
  4. Step 4: Simplify right side
    45,637.68x = 1,300,262,340.72
  5. Step 5: Solve for x
    x = 1,300,262,340.72/45,637.68
  6. Step 6: Final answer
    x = 28,490.98

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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.