Home / 56,095.40-84,118.48-21,010.45

Finding the Fourth Proportional to 56,095.40, 84,118.48 and 21,010.45

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Solution

The fourth proportional to 56,095.40, 84,118.48 and 21,010.45 is: 31,506.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,095.40 : 84,118.48 = 21,010.45 : x
  2. Step 2: Convert to fraction form
    56,095.40/84,118.48 = 21,010.45/x
  3. Step 3: Cross multiply
    56,095.40x = 84,118.48 × 21,010.45
  4. Step 4: Simplify right side
    56,095.40x = 1,767,367,118.12
  5. Step 5: Solve for x
    x = 1,767,367,118.12/56,095.40
  6. Step 6: Final answer
    x = 31,506.45

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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.