Home / 29,187.85-40,271.80-17,853.20

Finding the Fourth Proportional to 29,187.85, 40,271.80 and 17,853.20

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Solution

The fourth proportional to 29,187.85, 40,271.80 and 17,853.20 is: 24,632.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,187.85 : 40,271.80 = 17,853.20 : x
  2. Step 2: Convert to fraction form
    29,187.85/40,271.80 = 17,853.20/x
  3. Step 3: Cross multiply
    29,187.85x = 40,271.80 × 17,853.20
  4. Step 4: Simplify right side
    29,187.85x = 718,980,555.81
  5. Step 5: Solve for x
    x = 718,980,555.81/29,187.85
  6. Step 6: Final answer
    x = 24,632.87

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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.