Home / 55,558.48-76,590.88-39,615.20

Finding the Fourth Proportional to 55,558.48, 76,590.88 and 39,615.20

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Solution

The fourth proportional to 55,558.48, 76,590.88 and 39,615.20 is: 54,612.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,558.48 : 76,590.88 = 39,615.20 : x
  2. Step 2: Convert to fraction form
    55,558.48/76,590.88 = 39,615.20/x
  3. Step 3: Cross multiply
    55,558.48x = 76,590.88 × 39,615.20
  4. Step 4: Simplify right side
    55,558.48x = 3,034,163,029.38
  5. Step 5: Solve for x
    x = 3,034,163,029.38/55,558.48
  6. Step 6: Final answer
    x = 54,612.06

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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.