Home / 35,565.37-53,332.34-18,921.45

Finding the Fourth Proportional to 35,565.37, 53,332.34 and 18,921.45

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Solution

The fourth proportional to 35,565.37, 53,332.34 and 18,921.45 is: 28,373.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,565.37 : 53,332.34 = 18,921.45 : x
  2. Step 2: Convert to fraction form
    35,565.37/53,332.34 = 18,921.45/x
  3. Step 3: Cross multiply
    35,565.37x = 53,332.34 × 18,921.45
  4. Step 4: Simplify right side
    35,565.37x = 1,009,125,110.09
  5. Step 5: Solve for x
    x = 1,009,125,110.09/35,565.37
  6. Step 6: Final answer
    x = 28,373.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.