Home / 39,711.84-59,555.10-13,051.68

Finding the Fourth Proportional to 39,711.84, 59,555.10 and 13,051.68

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Solution

The fourth proportional to 39,711.84, 59,555.10 and 13,051.68 is: 19,573.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,711.84 : 59,555.10 = 13,051.68 : x
  2. Step 2: Convert to fraction form
    39,711.84/59,555.10 = 13,051.68/x
  3. Step 3: Cross multiply
    39,711.84x = 59,555.10 × 13,051.68
  4. Step 4: Simplify right side
    39,711.84x = 777,294,107.57
  5. Step 5: Solve for x
    x = 777,294,107.57/39,711.84
  6. Step 6: Final answer
    x = 19,573.36

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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.