Home / 40,005.57-55,207.55-23,009.02

Finding the Fourth Proportional to 40,005.57, 55,207.55 and 23,009.02

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Solution

The fourth proportional to 40,005.57, 55,207.55 and 23,009.02 is: 31,752.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,005.57 : 55,207.55 = 23,009.02 : x
  2. Step 2: Convert to fraction form
    40,005.57/55,207.55 = 23,009.02/x
  3. Step 3: Cross multiply
    40,005.57x = 55,207.55 × 23,009.02
  4. Step 4: Simplify right side
    40,005.57x = 1,270,271,541.60
  5. Step 5: Solve for x
    x = 1,270,271,541.60/40,005.57
  6. Step 6: Final answer
    x = 31,752.36

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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.