Home / 31,154.56-46,730.12-13,624.34

Finding the Fourth Proportional to 31,154.56, 46,730.12 and 13,624.34

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Solution

The fourth proportional to 31,154.56, 46,730.12 and 13,624.34 is: 20,435.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,154.56 : 46,730.12 = 13,624.34 : x
  2. Step 2: Convert to fraction form
    31,154.56/46,730.12 = 13,624.34/x
  3. Step 3: Cross multiply
    31,154.56x = 46,730.12 × 13,624.34
  4. Step 4: Simplify right side
    31,154.56x = 636,666,741.35
  5. Step 5: Solve for x
    x = 636,666,741.35/31,154.56
  6. Step 6: Final answer
    x = 20,435.75

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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.