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Finding the Fourth Proportional to 62,655.81, 86,457.03 and 35,800.06

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Solution

The fourth proportional to 62,655.81, 86,457.03 and 35,800.06 is: 49,399.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,655.81 : 86,457.03 = 35,800.06 : x
  2. Step 2: Convert to fraction form
    62,655.81/86,457.03 = 35,800.06/x
  3. Step 3: Cross multiply
    62,655.81x = 86,457.03 × 35,800.06
  4. Step 4: Simplify right side
    62,655.81x = 3,095,166,511.03
  5. Step 5: Solve for x
    x = 3,095,166,511.03/62,655.81
  6. Step 6: Final answer
    x = 49,399.51

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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.