Home / 56,219.18-77,583.48-30,726.62

Finding the Fourth Proportional to 56,219.18, 77,583.48 and 30,726.62

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Solution

The fourth proportional to 56,219.18, 77,583.48 and 30,726.62 is: 42,403.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,219.18 : 77,583.48 = 30,726.62 : x
  2. Step 2: Convert to fraction form
    56,219.18/77,583.48 = 30,726.62/x
  3. Step 3: Cross multiply
    56,219.18x = 77,583.48 × 30,726.62
  4. Step 4: Simplify right side
    56,219.18x = 2,383,878,108.24
  5. Step 5: Solve for x
    x = 2,383,878,108.24/56,219.18
  6. Step 6: Final answer
    x = 42,403.29

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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.