Home / 42,186.78-58,218.30-23,323.86

Finding the Fourth Proportional to 42,186.78, 58,218.30 and 23,323.86

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Solution

The fourth proportional to 42,186.78, 58,218.30 and 23,323.86 is: 32,187.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,186.78 : 58,218.30 = 23,323.86 : x
  2. Step 2: Convert to fraction form
    42,186.78/58,218.30 = 23,323.86/x
  3. Step 3: Cross multiply
    42,186.78x = 58,218.30 × 23,323.86
  4. Step 4: Simplify right side
    42,186.78x = 1,357,875,478.64
  5. Step 5: Solve for x
    x = 1,357,875,478.64/42,186.78
  6. Step 6: Final answer
    x = 32,187.23

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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.