Home / 56,087.64-84,108.42-21,009.24

Finding the Fourth Proportional to 56,087.64, 84,108.42 and 21,009.24

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Solution

The fourth proportional to 56,087.64, 84,108.42 and 21,009.24 is: 31,505.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,087.64 : 84,108.42 = 21,009.24 : x
  2. Step 2: Convert to fraction form
    56,087.64/84,108.42 = 21,009.24/x
  3. Step 3: Cross multiply
    56,087.64x = 84,108.42 × 21,009.24
  4. Step 4: Simplify right side
    56,087.64x = 1,767,053,981.80
  5. Step 5: Solve for x
    x = 1,767,053,981.80/56,087.64
  6. Step 6: Final answer
    x = 31,505.23

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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.