Home / 56,417.76-84,615.66-21,360.15

Finding the Fourth Proportional to 56,417.76, 84,615.66 and 21,360.15

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Solution

The fourth proportional to 56,417.76, 84,615.66 and 21,360.15 is: 32,036.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,417.76 : 84,615.66 = 21,360.15 : x
  2. Step 2: Convert to fraction form
    56,417.76/84,615.66 = 21,360.15/x
  3. Step 3: Cross multiply
    56,417.76x = 84,615.66 × 21,360.15
  4. Step 4: Simplify right side
    56,417.76x = 1,807,403,189.95
  5. Step 5: Solve for x
    x = 1,807,403,189.95/56,417.76
  6. Step 6: Final answer
    x = 32,036.07

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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.