Home / 56,159.64-84,214.56-21,074.52

Finding the Fourth Proportional to 56,159.64, 84,214.56 and 21,074.52

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Solution

The fourth proportional to 56,159.64, 84,214.56 and 21,074.52 is: 31,602.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,159.64 : 84,214.56 = 21,074.52 : x
  2. Step 2: Convert to fraction form
    56,159.64/84,214.56 = 21,074.52/x
  3. Step 3: Cross multiply
    56,159.64x = 84,214.56 × 21,074.52
  4. Step 4: Simplify right side
    56,159.64x = 1,774,781,429.01
  5. Step 5: Solve for x
    x = 1,774,781,429.01/56,159.64
  6. Step 6: Final answer
    x = 31,602.44

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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.