Home / 39,185.08-58,752.05-14,220.40

Finding the Fourth Proportional to 39,185.08, 58,752.05 and 14,220.40

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Solution

The fourth proportional to 39,185.08, 58,752.05 and 14,220.40 is: 21,321.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,185.08 : 58,752.05 = 14,220.40 : x
  2. Step 2: Convert to fraction form
    39,185.08/58,752.05 = 14,220.40/x
  3. Step 3: Cross multiply
    39,185.08x = 58,752.05 × 14,220.40
  4. Step 4: Simplify right side
    39,185.08x = 835,477,393.61
  5. Step 5: Solve for x
    x = 835,477,393.61/39,185.08
  6. Step 6: Final answer
    x = 21,321.32

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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.