Home / 56,938.07-78,575.17-31,444.40

Finding the Fourth Proportional to 56,938.07, 78,575.17 and 31,444.40

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Solution

The fourth proportional to 56,938.07, 78,575.17 and 31,444.40 is: 43,393.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,938.07 : 78,575.17 = 31,444.40 : x
  2. Step 2: Convert to fraction form
    56,938.07/78,575.17 = 31,444.40/x
  3. Step 3: Cross multiply
    56,938.07x = 78,575.17 × 31,444.40
  4. Step 4: Simplify right side
    56,938.07x = 2,470,748,604.06
  5. Step 5: Solve for x
    x = 2,470,748,604.06/56,938.07
  6. Step 6: Final answer
    x = 43,393.61

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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.