Home / 39,975.40-55,166.16-22,070.25

Finding the Fourth Proportional to 39,975.40, 55,166.16 and 22,070.25

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Solution

The fourth proportional to 39,975.40, 55,166.16 and 22,070.25 is: 30,457.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,975.40 : 55,166.16 = 22,070.25 : x
  2. Step 2: Convert to fraction form
    39,975.40/55,166.16 = 22,070.25/x
  3. Step 3: Cross multiply
    39,975.40x = 55,166.16 × 22,070.25
  4. Step 4: Simplify right side
    39,975.40x = 1,217,530,870.35
  5. Step 5: Solve for x
    x = 1,217,530,870.35/39,975.40
  6. Step 6: Final answer
    x = 30,457.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.