Home / 39,975.84-55,166.34-22,070.88

Finding the Fourth Proportional to 39,975.84, 55,166.34 and 22,070.88

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Solution

The fourth proportional to 39,975.84, 55,166.34 and 22,070.88 is: 30,457.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,975.84 : 55,166.34 = 22,070.88 : x
  2. Step 2: Convert to fraction form
    39,975.84/55,166.34 = 22,070.88/x
  3. Step 3: Cross multiply
    39,975.84x = 55,166.34 × 22,070.88
  4. Step 4: Simplify right side
    39,975.84x = 1,217,569,670.18
  5. Step 5: Solve for x
    x = 1,217,569,670.18/39,975.84
  6. Step 6: Final answer
    x = 30,457.64

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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.