Home / 56,070.31-84,118.98-21,010.27

Finding the Fourth Proportional to 56,070.31, 84,118.98 and 21,010.27

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Solution

The fourth proportional to 56,070.31, 84,118.98 and 21,010.27 is: 31,520.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,070.31 : 84,118.98 = 21,010.27 : x
  2. Step 2: Convert to fraction form
    56,070.31/84,118.98 = 21,010.27/x
  3. Step 3: Cross multiply
    56,070.31x = 84,118.98 × 21,010.27
  4. Step 4: Simplify right side
    56,070.31x = 1,767,362,481.92
  5. Step 5: Solve for x
    x = 1,767,362,481.92/56,070.31
  6. Step 6: Final answer
    x = 31,520.47

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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.