Home / 64,737.12-97,110-20,365.76

Finding the Fourth Proportional to 64,737.12, 97,110 and 20,365.76

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Solution

The fourth proportional to 64,737.12, 97,110 and 20,365.76 is: 30,550.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,737.12 : 97,110 = 20,365.76 : x
  2. Step 2: Convert to fraction form
    64,737.12/97,110 = 20,365.76/x
  3. Step 3: Cross multiply
    64,737.12x = 97,110 × 20,365.76
  4. Step 4: Simplify right side
    64,737.12x = 1,977,718,953.60
  5. Step 5: Solve for x
    x = 1,977,718,953.60/64,737.12
  6. Step 6: Final answer
    x = 30,550.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.