Home / 42,817.41-64,226.52-19,126.15

Finding the Fourth Proportional to 42,817.41, 64,226.52 and 19,126.15

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Solution

The fourth proportional to 42,817.41, 64,226.52 and 19,126.15 is: 28,689.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,817.41 : 64,226.52 = 19,126.15 : x
  2. Step 2: Convert to fraction form
    42,817.41/64,226.52 = 19,126.15/x
  3. Step 3: Cross multiply
    42,817.41x = 64,226.52 × 19,126.15
  4. Step 4: Simplify right side
    42,817.41x = 1,228,405,894.93
  5. Step 5: Solve for x
    x = 1,228,405,894.93/42,817.41
  6. Step 6: Final answer
    x = 28,689.40

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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.