Home / 31,417.70-47,110.35-11,686.10

Finding the Fourth Proportional to 31,417.70, 47,110.35 and 11,686.10

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Solution

The fourth proportional to 31,417.70, 47,110.35 and 11,686.10 is: 17,523.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,417.70 : 47,110.35 = 11,686.10 : x
  2. Step 2: Convert to fraction form
    31,417.70/47,110.35 = 11,686.10/x
  3. Step 3: Cross multiply
    31,417.70x = 47,110.35 × 11,686.10
  4. Step 4: Simplify right side
    31,417.70x = 550,536,261.14
  5. Step 5: Solve for x
    x = 550,536,261.14/31,417.70
  6. Step 6: Final answer
    x = 17,523.12

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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.