Home / 62,536.68-86,314.02-39,870.45

Finding the Fourth Proportional to 62,536.68, 86,314.02 and 39,870.45

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Solution

The fourth proportional to 62,536.68, 86,314.02 and 39,870.45 is: 55,029.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,536.68 : 86,314.02 = 39,870.45 : x
  2. Step 2: Convert to fraction form
    62,536.68/86,314.02 = 39,870.45/x
  3. Step 3: Cross multiply
    62,536.68x = 86,314.02 × 39,870.45
  4. Step 4: Simplify right side
    62,536.68x = 3,441,378,818.71
  5. Step 5: Solve for x
    x = 3,441,378,818.71/62,536.68
  6. Step 6: Final answer
    x = 55,029.77

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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.