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Finding the Fourth Proportional to 55,846.59, 77,068.22 and 30,352.89

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Solution

The fourth proportional to 55,846.59, 77,068.22 and 30,352.89 is: 41,886.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,846.59 : 77,068.22 = 30,352.89 : x
  2. Step 2: Convert to fraction form
    55,846.59/77,068.22 = 30,352.89/x
  3. Step 3: Cross multiply
    55,846.59x = 77,068.22 × 30,352.89
  4. Step 4: Simplify right side
    55,846.59x = 2,339,243,204.16
  5. Step 5: Solve for x
    x = 2,339,243,204.16/55,846.59
  6. Step 6: Final answer
    x = 41,886.95

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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.