Home / 56,090.04-84,110.42-21,005.09

Finding the Fourth Proportional to 56,090.04, 84,110.42 and 21,005.09

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Solution

The fourth proportional to 56,090.04, 84,110.42 and 21,005.09 is: 31,498.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,090.04 : 84,110.42 = 21,005.09 : x
  2. Step 2: Convert to fraction form
    56,090.04/84,110.42 = 21,005.09/x
  3. Step 3: Cross multiply
    56,090.04x = 84,110.42 × 21,005.09
  4. Step 4: Simplify right side
    56,090.04x = 1,766,746,416.46
  5. Step 5: Solve for x
    x = 1,766,746,416.46/56,090.04
  6. Step 6: Final answer
    x = 31,498.40

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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.