Home / 83,637.95-125,415.39-30,327.80

Finding the Fourth Proportional to 83,637.95, 125,415.39 and 30,327.80

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Solution

The fourth proportional to 83,637.95, 125,415.39 and 30,327.80 is: 45,476.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,637.95 : 125,415.39 = 30,327.80 : x
  2. Step 2: Convert to fraction form
    83,637.95/125,415.39 = 30,327.80/x
  3. Step 3: Cross multiply
    83,637.95x = 125,415.39 × 30,327.80
  4. Step 4: Simplify right side
    83,637.95x = 3,803,572,864.84
  5. Step 5: Solve for x
    x = 3,803,572,864.84/83,637.95
  6. Step 6: Final answer
    x = 45,476.64

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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.