Home / 40,475.79-55,857.60-22,570.65

Finding the Fourth Proportional to 40,475.79, 55,857.60 and 22,570.65

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Solution

The fourth proportional to 40,475.79, 55,857.60 and 22,570.65 is: 31,148.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,475.79 : 55,857.60 = 22,570.65 : x
  2. Step 2: Convert to fraction form
    40,475.79/55,857.60 = 22,570.65/x
  3. Step 3: Cross multiply
    40,475.79x = 55,857.60 × 22,570.65
  4. Step 4: Simplify right side
    40,475.79x = 1,260,742,339.44
  5. Step 5: Solve for x
    x = 1,260,742,339.44/40,475.79
  6. Step 6: Final answer
    x = 31,148.06

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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.