Home / 39,347.33-59,032.53-12,692.78

Finding the Fourth Proportional to 39,347.33, 59,032.53 and 12,692.78

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Solution

The fourth proportional to 39,347.33, 59,032.53 and 12,692.78 is: 19,042.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,347.33 : 59,032.53 = 12,692.78 : x
  2. Step 2: Convert to fraction form
    39,347.33/59,032.53 = 12,692.78/x
  3. Step 3: Cross multiply
    39,347.33x = 59,032.53 × 12,692.78
  4. Step 4: Simplify right side
    39,347.33x = 749,287,063.71
  5. Step 5: Solve for x
    x = 749,287,063.71/39,347.33
  6. Step 6: Final answer
    x = 19,042.90

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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.