Home / 56,360.43-77,779.86-31,209.93

Finding the Fourth Proportional to 56,360.43, 77,779.86 and 31,209.93

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Solution

The fourth proportional to 56,360.43, 77,779.86 and 31,209.93 is: 43,071.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,360.43 : 77,779.86 = 31,209.93 : x
  2. Step 2: Convert to fraction form
    56,360.43/77,779.86 = 31,209.93/x
  3. Step 3: Cross multiply
    56,360.43x = 77,779.86 × 31,209.93
  4. Step 4: Simplify right side
    56,360.43x = 2,427,503,986.01
  5. Step 5: Solve for x
    x = 2,427,503,986.01/56,360.43
  6. Step 6: Final answer
    x = 43,071.07

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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.