Home / 31,285.29-46,918.12-10,220.53

Finding the Fourth Proportional to 31,285.29, 46,918.12 and 10,220.53

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Solution

The fourth proportional to 31,285.29, 46,918.12 and 10,220.53 is: 15,327.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,285.29 : 46,918.12 = 10,220.53 : x
  2. Step 2: Convert to fraction form
    31,285.29/46,918.12 = 10,220.53/x
  3. Step 3: Cross multiply
    31,285.29x = 46,918.12 × 10,220.53
  4. Step 4: Simplify right side
    31,285.29x = 479,527,767.31
  5. Step 5: Solve for x
    x = 479,527,767.31/31,285.29
  6. Step 6: Final answer
    x = 15,327.58

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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.