Home / 56,160.98-84,232.34-18,721.36

Finding the Fourth Proportional to 56,160.98, 84,232.34 and 18,721.36

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Solution

The fourth proportional to 56,160.98, 84,232.34 and 18,721.36 is: 28,079.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,160.98 : 84,232.34 = 18,721.36 : x
  2. Step 2: Convert to fraction form
    56,160.98/84,232.34 = 18,721.36/x
  3. Step 3: Cross multiply
    56,160.98x = 84,232.34 × 18,721.36
  4. Step 4: Simplify right side
    56,160.98x = 1,576,944,042.67
  5. Step 5: Solve for x
    x = 1,576,944,042.67/56,160.98
  6. Step 6: Final answer
    x = 28,079.00

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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.