Home / 56,237.76-84,362.40-21,206.88

Finding the Fourth Proportional to 56,237.76, 84,362.40 and 21,206.88

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Solution

The fourth proportional to 56,237.76, 84,362.40 and 21,206.88 is: 31,812.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,237.76 : 84,362.40 = 21,206.88 : x
  2. Step 2: Convert to fraction form
    56,237.76/84,362.40 = 21,206.88/x
  3. Step 3: Cross multiply
    56,237.76x = 84,362.40 × 21,206.88
  4. Step 4: Simplify right side
    56,237.76x = 1,789,063,293.31
  5. Step 5: Solve for x
    x = 1,789,063,293.31/56,237.76
  6. Step 6: Final answer
    x = 31,812.49

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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.