Home / 39,692.40-59,587.20-39,400.80

Finding the Fourth Proportional to 39,692.40, 59,587.20 and 39,400.80

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Solution

The fourth proportional to 39,692.40, 59,587.20 and 39,400.80 is: 59,149.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,692.40 : 59,587.20 = 39,400.80 : x
  2. Step 2: Convert to fraction form
    39,692.40/59,587.20 = 39,400.80/x
  3. Step 3: Cross multiply
    39,692.40x = 59,587.20 × 39,400.80
  4. Step 4: Simplify right side
    39,692.40x = 2,347,783,349.76
  5. Step 5: Solve for x
    x = 2,347,783,349.76/39,692.40
  6. Step 6: Final answer
    x = 59,149.44

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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.