Home / 55,830.60-77,045.88-30,336.84

Finding the Fourth Proportional to 55,830.60, 77,045.88 and 30,336.84

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Solution

The fourth proportional to 55,830.60, 77,045.88 and 30,336.84 is: 41,864.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,830.60 : 77,045.88 = 30,336.84 : x
  2. Step 2: Convert to fraction form
    55,830.60/77,045.88 = 30,336.84/x
  3. Step 3: Cross multiply
    55,830.60x = 77,045.88 × 30,336.84
  4. Step 4: Simplify right side
    55,830.60x = 2,337,328,534.22
  5. Step 5: Solve for x
    x = 2,337,328,534.22/55,830.60
  6. Step 6: Final answer
    x = 41,864.65

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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.