Home / 48,579.61-67,040.01-28,165.65

Finding the Fourth Proportional to 48,579.61, 67,040.01 and 28,165.65

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Solution

The fourth proportional to 48,579.61, 67,040.01 and 28,165.65 is: 38,868.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,579.61 : 67,040.01 = 28,165.65 : x
  2. Step 2: Convert to fraction form
    48,579.61/67,040.01 = 28,165.65/x
  3. Step 3: Cross multiply
    48,579.61x = 67,040.01 × 28,165.65
  4. Step 4: Simplify right side
    48,579.61x = 1,888,225,457.66
  5. Step 5: Solve for x
    x = 1,888,225,457.66/48,579.61
  6. Step 6: Final answer
    x = 38,868.68

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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.