Home / 56,995.95-85,495.66-19,555.50

Finding the Fourth Proportional to 56,995.95, 85,495.66 and 19,555.50

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Solution

The fourth proportional to 56,995.95, 85,495.66 and 19,555.50 is: 29,333.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,995.95 : 85,495.66 = 19,555.50 : x
  2. Step 2: Convert to fraction form
    56,995.95/85,495.66 = 19,555.50/x
  3. Step 3: Cross multiply
    56,995.95x = 85,495.66 × 19,555.50
  4. Step 4: Simplify right side
    56,995.95x = 1,671,910,379.13
  5. Step 5: Solve for x
    x = 1,671,910,379.13/56,995.95
  6. Step 6: Final answer
    x = 29,333.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.