Home / 39,613.44-59,420.64-13,318.08

Finding the Fourth Proportional to 39,613.44, 59,420.64 and 13,318.08

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Solution

The fourth proportional to 39,613.44, 59,420.64 and 13,318.08 is: 19,977.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,613.44 : 59,420.64 = 13,318.08 : x
  2. Step 2: Convert to fraction form
    39,613.44/59,420.64 = 13,318.08/x
  3. Step 3: Cross multiply
    39,613.44x = 59,420.64 × 13,318.08
  4. Step 4: Simplify right side
    39,613.44x = 791,368,837.17
  5. Step 5: Solve for x
    x = 791,368,837.17/39,613.44
  6. Step 6: Final answer
    x = 19,977.28

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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.