Home / 39,125.84-54,001.35-22,130.08

Finding the Fourth Proportional to 39,125.84, 54,001.35 and 22,130.08

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Solution

The fourth proportional to 39,125.84, 54,001.35 and 22,130.08 is: 30,543.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,125.84 : 54,001.35 = 22,130.08 : x
  2. Step 2: Convert to fraction form
    39,125.84/54,001.35 = 22,130.08/x
  3. Step 3: Cross multiply
    39,125.84x = 54,001.35 × 22,130.08
  4. Step 4: Simplify right side
    39,125.84x = 1,195,054,060.60
  5. Step 5: Solve for x
    x = 1,195,054,060.60/39,125.84
  6. Step 6: Final answer
    x = 30,543.86

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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.