Home / 39,158.79-54,038.98-22,162.56

Finding the Fourth Proportional to 39,158.79, 54,038.98 and 22,162.56

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Solution

The fourth proportional to 39,158.79, 54,038.98 and 22,162.56 is: 30,584.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,158.79 : 54,038.98 = 22,162.56 : x
  2. Step 2: Convert to fraction form
    39,158.79/54,038.98 = 22,162.56/x
  3. Step 3: Cross multiply
    39,158.79x = 54,038.98 × 22,162.56
  4. Step 4: Simplify right side
    39,158.79x = 1,197,642,136.59
  5. Step 5: Solve for x
    x = 1,197,642,136.59/39,158.79
  6. Step 6: Final answer
    x = 30,584.25

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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.