Home / 29,688.48-40,969.64-16,259.64

Finding the Fourth Proportional to 29,688.48, 40,969.64 and 16,259.64

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Solution

The fourth proportional to 29,688.48, 40,969.64 and 16,259.64 is: 22,438.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,688.48 : 40,969.64 = 16,259.64 : x
  2. Step 2: Convert to fraction form
    29,688.48/40,969.64 = 16,259.64/x
  3. Step 3: Cross multiply
    29,688.48x = 40,969.64 × 16,259.64
  4. Step 4: Simplify right side
    29,688.48x = 666,151,597.33
  5. Step 5: Solve for x
    x = 666,151,597.33/29,688.48
  6. Step 6: Final answer
    x = 22,438.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.