Home / 31,298.48-46,918.32-10,507.40

Finding the Fourth Proportional to 31,298.48, 46,918.32 and 10,507.40

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Solution

The fourth proportional to 31,298.48, 46,918.32 and 10,507.40 is: 15,751.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,298.48 : 46,918.32 = 10,507.40 : x
  2. Step 2: Convert to fraction form
    31,298.48/46,918.32 = 10,507.40/x
  3. Step 3: Cross multiply
    31,298.48x = 46,918.32 × 10,507.40
  4. Step 4: Simplify right side
    31,298.48x = 492,989,555.57
  5. Step 5: Solve for x
    x = 492,989,555.57/31,298.48
  6. Step 6: Final answer
    x = 15,751.23

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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.