Home / 56,301.95-84,318.37-31,279.94

Finding the Fourth Proportional to 56,301.95, 84,318.37 and 31,279.94

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Solution

The fourth proportional to 56,301.95, 84,318.37 and 31,279.94 is: 46,845.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,301.95 : 84,318.37 = 31,279.94 : x
  2. Step 2: Convert to fraction form
    56,301.95/84,318.37 = 31,279.94/x
  3. Step 3: Cross multiply
    56,301.95x = 84,318.37 × 31,279.94
  4. Step 4: Simplify right side
    56,301.95x = 2,637,473,370.90
  5. Step 5: Solve for x
    x = 2,637,473,370.90/56,301.95
  6. Step 6: Final answer
    x = 46,845.15

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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.