Home / 62,577.71-86,288.05-39,880.77

Finding the Fourth Proportional to 62,577.71, 86,288.05 and 39,880.77

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Solution

The fourth proportional to 62,577.71, 86,288.05 and 39,880.77 is: 54,991.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,577.71 : 86,288.05 = 39,880.77 : x
  2. Step 2: Convert to fraction form
    62,577.71/86,288.05 = 39,880.77/x
  3. Step 3: Cross multiply
    62,577.71x = 86,288.05 × 39,880.77
  4. Step 4: Simplify right side
    62,577.71x = 3,441,233,875.80
  5. Step 5: Solve for x
    x = 3,441,233,875.80/62,577.71
  6. Step 6: Final answer
    x = 54,991.37

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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.