Home / 40,083.07-60,132.80-13,784.39

Finding the Fourth Proportional to 40,083.07, 60,132.80 and 13,784.39

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Solution

The fourth proportional to 40,083.07, 60,132.80 and 13,784.39 is: 20,679.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,083.07 : 60,132.80 = 13,784.39 : x
  2. Step 2: Convert to fraction form
    40,083.07/60,132.80 = 13,784.39/x
  3. Step 3: Cross multiply
    40,083.07x = 60,132.80 × 13,784.39
  4. Step 4: Simplify right side
    40,083.07x = 828,893,966.99
  5. Step 5: Solve for x
    x = 828,893,966.99/40,083.07
  6. Step 6: Final answer
    x = 20,679.40

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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.