Home / 31,590.49-47,344.84-12,848.76

Finding the Fourth Proportional to 31,590.49, 47,344.84 and 12,848.76

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Solution

The fourth proportional to 31,590.49, 47,344.84 and 12,848.76 is: 19,256.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,590.49 : 47,344.84 = 12,848.76 : x
  2. Step 2: Convert to fraction form
    31,590.49/47,344.84 = 12,848.76/x
  3. Step 3: Cross multiply
    31,590.49x = 47,344.84 × 12,848.76
  4. Step 4: Simplify right side
    31,590.49x = 608,322,486.40
  5. Step 5: Solve for x
    x = 608,322,486.40/31,590.49
  6. Step 6: Final answer
    x = 19,256.51

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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.