Home / 40,744.64-56,167.52-31,782.08

Finding the Fourth Proportional to 40,744.64, 56,167.52 and 31,782.08

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Solution

The fourth proportional to 40,744.64, 56,167.52 and 31,782.08 is: 43,812.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,744.64 : 56,167.52 = 31,782.08 : x
  2. Step 2: Convert to fraction form
    40,744.64/56,167.52 = 31,782.08/x
  3. Step 3: Cross multiply
    40,744.64x = 56,167.52 × 31,782.08
  4. Step 4: Simplify right side
    40,744.64x = 1,785,120,614.04
  5. Step 5: Solve for x
    x = 1,785,120,614.04/40,744.64
  6. Step 6: Final answer
    x = 43,812.40

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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.