Home / 55,800.50-77,005.25-30,307.11

Finding the Fourth Proportional to 55,800.50, 77,005.25 and 30,307.11

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Solution

The fourth proportional to 55,800.50, 77,005.25 and 30,307.11 is: 41,824.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,800.50 : 77,005.25 = 30,307.11 : x
  2. Step 2: Convert to fraction form
    55,800.50/77,005.25 = 30,307.11/x
  3. Step 3: Cross multiply
    55,800.50x = 77,005.25 × 30,307.11
  4. Step 4: Simplify right side
    55,800.50x = 2,333,806,255.67
  5. Step 5: Solve for x
    x = 2,333,806,255.67/55,800.50
  6. Step 6: Final answer
    x = 41,824.11

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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.