Home / 55,654.20-76,801.50-30,503.16

Finding the Fourth Proportional to 55,654.20, 76,801.50 and 30,503.16

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Solution

The fourth proportional to 55,654.20, 76,801.50 and 30,503.16 is: 42,093.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,654.20 : 76,801.50 = 30,503.16 : x
  2. Step 2: Convert to fraction form
    55,654.20/76,801.50 = 30,503.16/x
  3. Step 3: Cross multiply
    55,654.20x = 76,801.50 × 30,503.16
  4. Step 4: Simplify right side
    55,654.20x = 2,342,688,442.74
  5. Step 5: Solve for x
    x = 2,342,688,442.74/55,654.20
  6. Step 6: Final answer
    x = 42,093.65

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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.