Home / 56,733.57-78,291.66-31,239.40

Finding the Fourth Proportional to 56,733.57, 78,291.66 and 31,239.40

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Solution

The fourth proportional to 56,733.57, 78,291.66 and 31,239.40 is: 43,110.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,733.57 : 78,291.66 = 31,239.40 : x
  2. Step 2: Convert to fraction form
    56,733.57/78,291.66 = 31,239.40/x
  3. Step 3: Cross multiply
    56,733.57x = 78,291.66 × 31,239.40
  4. Step 4: Simplify right side
    56,733.57x = 2,445,784,483.40
  5. Step 5: Solve for x
    x = 2,445,784,483.40/56,733.57
  6. Step 6: Final answer
    x = 43,110.00

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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.