Home / 55,848-77,070.36-30,697.68

Finding the Fourth Proportional to 55,848, 77,070.36 and 30,697.68

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Solution

The fourth proportional to 55,848, 77,070.36 and 30,697.68 is: 42,362.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,848 : 77,070.36 = 30,697.68 : x
  2. Step 2: Convert to fraction form
    55,848/77,070.36 = 30,697.68/x
  3. Step 3: Cross multiply
    55,848x = 77,070.36 × 30,697.68
  4. Step 4: Simplify right side
    55,848x = 2,365,881,248.76
  5. Step 5: Solve for x
    x = 2,365,881,248.76/55,848
  6. Step 6: Final answer
    x = 42,362.86

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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.