Home / 31,335.42-46,991.35-12,609.10

Finding the Fourth Proportional to 31,335.42, 46,991.35 and 12,609.10

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Solution

The fourth proportional to 31,335.42, 46,991.35 and 12,609.10 is: 18,908.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,335.42 : 46,991.35 = 12,609.10 : x
  2. Step 2: Convert to fraction form
    31,335.42/46,991.35 = 12,609.10/x
  3. Step 3: Cross multiply
    31,335.42x = 46,991.35 × 12,609.10
  4. Step 4: Simplify right side
    31,335.42x = 592,518,333.28
  5. Step 5: Solve for x
    x = 592,518,333.28/31,335.42
  6. Step 6: Final answer
    x = 18,908.90

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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.