Home / 30,886.65-46,320.39-13,117.14

Finding the Fourth Proportional to 30,886.65, 46,320.39 and 13,117.14

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Solution

The fourth proportional to 30,886.65, 46,320.39 and 13,117.14 is: 19,671.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,886.65 : 46,320.39 = 13,117.14 : x
  2. Step 2: Convert to fraction form
    30,886.65/46,320.39 = 13,117.14/x
  3. Step 3: Cross multiply
    30,886.65x = 46,320.39 × 13,117.14
  4. Step 4: Simplify right side
    30,886.65x = 607,591,040.48
  5. Step 5: Solve for x
    x = 607,591,040.48/30,886.65
  6. Step 6: Final answer
    x = 19,671.64

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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.