Home / 30,835.79-46,272.14-13,305.62

Finding the Fourth Proportional to 30,835.79, 46,272.14 and 13,305.62

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Solution

The fourth proportional to 30,835.79, 46,272.14 and 13,305.62 is: 19,966.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,835.79 : 46,272.14 = 13,305.62 : x
  2. Step 2: Convert to fraction form
    30,835.79/46,272.14 = 13,305.62/x
  3. Step 3: Cross multiply
    30,835.79x = 46,272.14 × 13,305.62
  4. Step 4: Simplify right side
    30,835.79x = 615,679,362.48
  5. Step 5: Solve for x
    x = 615,679,362.48/30,835.79
  6. Step 6: Final answer
    x = 19,966.39

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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.