Home / 39,336.90-58,692.86-36,549.78

Finding the Fourth Proportional to 39,336.90, 58,692.86 and 36,549.78

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Solution

The fourth proportional to 39,336.90, 58,692.86 and 36,549.78 is: 54,534.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,336.90 : 58,692.86 = 36,549.78 : x
  2. Step 2: Convert to fraction form
    39,336.90/58,692.86 = 36,549.78/x
  3. Step 3: Cross multiply
    39,336.90x = 58,692.86 × 36,549.78
  4. Step 4: Simplify right side
    39,336.90x = 2,145,210,937.82
  5. Step 5: Solve for x
    x = 2,145,210,937.82/39,336.90
  6. Step 6: Final answer
    x = 54,534.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.