Home / 56,929.74-85,403.79-21,393.83

Finding the Fourth Proportional to 56,929.74, 85,403.79 and 21,393.83

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Solution

The fourth proportional to 56,929.74, 85,403.79 and 21,393.83 is: 32,094.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,929.74 : 85,403.79 = 21,393.83 : x
  2. Step 2: Convert to fraction form
    56,929.74/85,403.79 = 21,393.83/x
  3. Step 3: Cross multiply
    56,929.74x = 85,403.79 × 21,393.83
  4. Step 4: Simplify right side
    56,929.74x = 1,827,113,737.60
  5. Step 5: Solve for x
    x = 1,827,113,737.60/56,929.74
  6. Step 6: Final answer
    x = 32,094.19

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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.