Home / 31,185.52-46,785.63-10,125.49

Finding the Fourth Proportional to 31,185.52, 46,785.63 and 10,125.49

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Solution

The fourth proportional to 31,185.52, 46,785.63 and 10,125.49 is: 15,190.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,185.52 : 46,785.63 = 10,125.49 : x
  2. Step 2: Convert to fraction form
    31,185.52/46,785.63 = 10,125.49/x
  3. Step 3: Cross multiply
    31,185.52x = 46,785.63 × 10,125.49
  4. Step 4: Simplify right side
    31,185.52x = 473,727,428.71
  5. Step 5: Solve for x
    x = 473,727,428.71/31,185.52
  6. Step 6: Final answer
    x = 15,190.62

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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.