Home / 29,653.27-40,931.93-18,331.45

Finding the Fourth Proportional to 29,653.27, 40,931.93 and 18,331.45

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Solution

The fourth proportional to 29,653.27, 40,931.93 and 18,331.45 is: 25,303.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,653.27 : 40,931.93 = 18,331.45 : x
  2. Step 2: Convert to fraction form
    29,653.27/40,931.93 = 18,331.45/x
  3. Step 3: Cross multiply
    29,653.27x = 40,931.93 × 18,331.45
  4. Step 4: Simplify right side
    29,653.27x = 750,341,571.70
  5. Step 5: Solve for x
    x = 750,341,571.70/29,653.27
  6. Step 6: Final answer
    x = 25,303.84

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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.