Home / 56,506.16-84,726.42-21,426.68

Finding the Fourth Proportional to 56,506.16, 84,726.42 and 21,426.68

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Solution

The fourth proportional to 56,506.16, 84,726.42 and 21,426.68 is: 32,127.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,506.16 : 84,726.42 = 21,426.68 : x
  2. Step 2: Convert to fraction form
    56,506.16/84,726.42 = 21,426.68/x
  3. Step 3: Cross multiply
    56,506.16x = 84,726.42 × 21,426.68
  4. Step 4: Simplify right side
    56,506.16x = 1,815,405,888.89
  5. Step 5: Solve for x
    x = 1,815,405,888.89/56,506.16
  6. Step 6: Final answer
    x = 32,127.57

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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.