Home / 56,835.51-78,431.20-31,342.95

Finding the Fourth Proportional to 56,835.51, 78,431.20 and 31,342.95

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Solution

The fourth proportional to 56,835.51, 78,431.20 and 31,342.95 is: 43,252.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,835.51 : 78,431.20 = 31,342.95 : x
  2. Step 2: Convert to fraction form
    56,835.51/78,431.20 = 31,342.95/x
  3. Step 3: Cross multiply
    56,835.51x = 78,431.20 × 31,342.95
  4. Step 4: Simplify right side
    56,835.51x = 2,458,264,827.25
  5. Step 5: Solve for x
    x = 2,458,264,827.25/56,835.51
  6. Step 6: Final answer
    x = 43,252.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.