Home / 38,655.45-57,979.93-12,353.13

Finding the Fourth Proportional to 38,655.45, 57,979.93 and 12,353.13

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Solution

The fourth proportional to 38,655.45, 57,979.93 and 12,353.13 is: 18,528.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,655.45 : 57,979.93 = 12,353.13 : x
  2. Step 2: Convert to fraction form
    38,655.45/57,979.93 = 12,353.13/x
  3. Step 3: Cross multiply
    38,655.45x = 57,979.93 × 12,353.13
  4. Step 4: Simplify right side
    38,655.45x = 716,233,612.68
  5. Step 5: Solve for x
    x = 716,233,612.68/38,655.45
  6. Step 6: Final answer
    x = 18,528.66

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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.