Home / 40,079.34-60,117.12-13,784.58

Finding the Fourth Proportional to 40,079.34, 60,117.12 and 13,784.58

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Solution

The fourth proportional to 40,079.34, 60,117.12 and 13,784.58 is: 20,676.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,079.34 : 60,117.12 = 13,784.58 : x
  2. Step 2: Convert to fraction form
    40,079.34/60,117.12 = 13,784.58/x
  3. Step 3: Cross multiply
    40,079.34x = 60,117.12 × 13,784.58
  4. Step 4: Simplify right side
    40,079.34x = 828,689,250.01
  5. Step 5: Solve for x
    x = 828,689,250.01/40,079.34
  6. Step 6: Final answer
    x = 20,676.22

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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.