Home / 40,518.67-60,784.08-14,218.78

Finding the Fourth Proportional to 40,518.67, 60,784.08 and 14,218.78

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Solution

The fourth proportional to 40,518.67, 60,784.08 and 14,218.78 is: 21,330.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,518.67 : 60,784.08 = 14,218.78 : x
  2. Step 2: Convert to fraction form
    40,518.67/60,784.08 = 14,218.78/x
  3. Step 3: Cross multiply
    40,518.67x = 60,784.08 × 14,218.78
  4. Step 4: Simplify right side
    40,518.67x = 864,275,461.02
  5. Step 5: Solve for x
    x = 864,275,461.02/40,518.67
  6. Step 6: Final answer
    x = 21,330.30

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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.