Home / 29,128.47-40,220.37-23,445.33

Finding the Fourth Proportional to 29,128.47, 40,220.37 and 23,445.33

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Solution

The fourth proportional to 29,128.47, 40,220.37 and 23,445.33 is: 32,373.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,128.47 : 40,220.37 = 23,445.33 : x
  2. Step 2: Convert to fraction form
    29,128.47/40,220.37 = 23,445.33/x
  3. Step 3: Cross multiply
    29,128.47x = 40,220.37 × 23,445.33
  4. Step 4: Simplify right side
    29,128.47x = 942,979,847.37
  5. Step 5: Solve for x
    x = 942,979,847.37/29,128.47
  6. Step 6: Final answer
    x = 32,373.13

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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.