Home / 64,869.36-89,519.68-35,061.36

Finding the Fourth Proportional to 64,869.36, 89,519.68 and 35,061.36

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Solution

The fourth proportional to 64,869.36, 89,519.68 and 35,061.36 is: 48,384.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,869.36 : 89,519.68 = 35,061.36 : x
  2. Step 2: Convert to fraction form
    64,869.36/89,519.68 = 35,061.36/x
  3. Step 3: Cross multiply
    64,869.36x = 89,519.68 × 35,061.36
  4. Step 4: Simplify right side
    64,869.36x = 3,138,681,727.56
  5. Step 5: Solve for x
    x = 3,138,681,727.56/64,869.36
  6. Step 6: Final answer
    x = 48,384.66

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1.5x scale

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.