Home / 29,560.10-40,756.64-18,362.66

Finding the Fourth Proportional to 29,560.10, 40,756.64 and 18,362.66

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Solution

The fourth proportional to 29,560.10, 40,756.64 and 18,362.66 is: 25,317.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,560.10 : 40,756.64 = 18,362.66 : x
  2. Step 2: Convert to fraction form
    29,560.10/40,756.64 = 18,362.66/x
  3. Step 3: Cross multiply
    29,560.10x = 40,756.64 × 18,362.66
  4. Step 4: Simplify right side
    29,560.10x = 748,400,323.06
  5. Step 5: Solve for x
    x = 748,400,323.06/29,560.10
  6. Step 6: Final answer
    x = 25,317.92

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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.