Home / 35,392.58-53,030.52-20,559.86

Finding the Fourth Proportional to 35,392.58, 53,030.52 and 20,559.86

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Solution

The fourth proportional to 35,392.58, 53,030.52 and 20,559.86 is: 30,805.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,392.58 : 53,030.52 = 20,559.86 : x
  2. Step 2: Convert to fraction form
    35,392.58/53,030.52 = 20,559.86/x
  3. Step 3: Cross multiply
    35,392.58x = 53,030.52 × 20,559.86
  4. Step 4: Simplify right side
    35,392.58x = 1,090,300,066.93
  5. Step 5: Solve for x
    x = 1,090,300,066.93/35,392.58
  6. Step 6: Final answer
    x = 30,805.89

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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.