Home / 46,439.80-69,659.68-13,160.16

Finding the Fourth Proportional to 46,439.80, 69,659.68 and 13,160.16

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Solution

The fourth proportional to 46,439.80, 69,659.68 and 13,160.16 is: 19,740.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,439.80 : 69,659.68 = 13,160.16 : x
  2. Step 2: Convert to fraction form
    46,439.80/69,659.68 = 13,160.16/x
  3. Step 3: Cross multiply
    46,439.80x = 69,659.68 × 13,160.16
  4. Step 4: Simplify right side
    46,439.80x = 916,732,534.35
  5. Step 5: Solve for x
    x = 916,732,534.35/46,439.80
  6. Step 6: Final answer
    x = 19,740.23

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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.