Home / 39,145.61-54,065.81-25,776.63

Finding the Fourth Proportional to 39,145.61, 54,065.81 and 25,776.63

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Solution

The fourth proportional to 39,145.61, 54,065.81 and 25,776.63 is: 35,601.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,145.61 : 54,065.81 = 25,776.63 : x
  2. Step 2: Convert to fraction form
    39,145.61/54,065.81 = 25,776.63/x
  3. Step 3: Cross multiply
    39,145.61x = 54,065.81 × 25,776.63
  4. Step 4: Simplify right side
    39,145.61x = 1,393,634,444.46
  5. Step 5: Solve for x
    x = 1,393,634,444.46/39,145.61
  6. Step 6: Final answer
    x = 35,601.29

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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.