Home / 31,316.87-46,980.17-10,538.75

Finding the Fourth Proportional to 31,316.87, 46,980.17 and 10,538.75

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Solution

The fourth proportional to 31,316.87, 46,980.17 and 10,538.75 is: 15,809.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,316.87 : 46,980.17 = 10,538.75 : x
  2. Step 2: Convert to fraction form
    31,316.87/46,980.17 = 10,538.75/x
  3. Step 3: Cross multiply
    31,316.87x = 46,980.17 × 10,538.75
  4. Step 4: Simplify right side
    31,316.87x = 495,112,266.59
  5. Step 5: Solve for x
    x = 495,112,266.59/31,316.87
  6. Step 6: Final answer
    x = 15,809.76

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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.