Home / 31,007.80-46,511.70-28,602.10

Finding the Fourth Proportional to 31,007.80, 46,511.70 and 28,602.10

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Solution

The fourth proportional to 31,007.80, 46,511.70 and 28,602.10 is: 42,903.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,007.80 : 46,511.70 = 28,602.10 : x
  2. Step 2: Convert to fraction form
    31,007.80/46,511.70 = 28,602.10/x
  3. Step 3: Cross multiply
    31,007.80x = 46,511.70 × 28,602.10
  4. Step 4: Simplify right side
    31,007.80x = 1,330,332,294.57
  5. Step 5: Solve for x
    x = 1,330,332,294.57/31,007.80
  6. Step 6: Final answer
    x = 42,903.15

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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.