Home / 56,353-77,769.58-31,202.50

Finding the Fourth Proportional to 56,353, 77,769.58 and 31,202.50

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Solution

The fourth proportional to 56,353, 77,769.58 and 31,202.50 is: 43,060.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,353 : 77,769.58 = 31,202.50 : x
  2. Step 2: Convert to fraction form
    56,353/77,769.58 = 31,202.50/x
  3. Step 3: Cross multiply
    56,353x = 77,769.58 × 31,202.50
  4. Step 4: Simplify right side
    56,353x = 2,426,605,319.95
  5. Step 5: Solve for x
    x = 2,426,605,319.95/56,353
  6. Step 6: Final answer
    x = 43,060.80

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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.