Home / 64,320.09-96,489.47-19,950.41

Finding the Fourth Proportional to 64,320.09, 96,489.47 and 19,950.41

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Solution

The fourth proportional to 64,320.09, 96,489.47 and 19,950.41 is: 29,928.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,320.09 : 96,489.47 = 19,950.41 : x
  2. Step 2: Convert to fraction form
    64,320.09/96,489.47 = 19,950.41/x
  3. Step 3: Cross multiply
    64,320.09x = 96,489.47 × 19,950.41
  4. Step 4: Simplify right side
    64,320.09x = 1,925,003,904.98
  5. Step 5: Solve for x
    x = 1,925,003,904.98/64,320.09
  6. Step 6: Final answer
    x = 29,928.50

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1.5x scale

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.