Home / 40,511.52-60,725.70-19,420.74

Finding the Fourth Proportional to 40,511.52, 60,725.70 and 19,420.74

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Solution

The fourth proportional to 40,511.52, 60,725.70 and 19,420.74 is: 29,111.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,511.52 : 60,725.70 = 19,420.74 : x
  2. Step 2: Convert to fraction form
    40,511.52/60,725.70 = 19,420.74/x
  3. Step 3: Cross multiply
    40,511.52x = 60,725.70 × 19,420.74
  4. Step 4: Simplify right side
    40,511.52x = 1,179,338,031.02
  5. Step 5: Solve for x
    x = 1,179,338,031.02/40,511.52
  6. Step 6: Final answer
    x = 29,111.18

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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.