Home / 56,695.30-85,050.77-19,245.32

Finding the Fourth Proportional to 56,695.30, 85,050.77 and 19,245.32

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Solution

The fourth proportional to 56,695.30, 85,050.77 and 19,245.32 is: 28,870.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,695.30 : 85,050.77 = 19,245.32 : x
  2. Step 2: Convert to fraction form
    56,695.30/85,050.77 = 19,245.32/x
  3. Step 3: Cross multiply
    56,695.30x = 85,050.77 × 19,245.32
  4. Step 4: Simplify right side
    56,695.30x = 1,636,829,284.90
  5. Step 5: Solve for x
    x = 1,636,829,284.90/56,695.30
  6. Step 6: Final answer
    x = 28,870.63

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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.