Home / 31,394.04-47,083.74-11,681.88

Finding the Fourth Proportional to 31,394.04, 47,083.74 and 11,681.88

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Solution

The fourth proportional to 31,394.04, 47,083.74 and 11,681.88 is: 17,520.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,394.04 : 47,083.74 = 11,681.88 : x
  2. Step 2: Convert to fraction form
    31,394.04/47,083.74 = 11,681.88/x
  3. Step 3: Cross multiply
    31,394.04x = 47,083.74 × 11,681.88
  4. Step 4: Simplify right side
    31,394.04x = 550,026,600.63
  5. Step 5: Solve for x
    x = 550,026,600.63/31,394.04
  6. Step 6: Final answer
    x = 17,520.10

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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.