Home / 31,124.40-46,686.60-19,444.20

Finding the Fourth Proportional to 31,124.40, 46,686.60 and 19,444.20

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Solution

The fourth proportional to 31,124.40, 46,686.60 and 19,444.20 is: 29,166.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,124.40 : 46,686.60 = 19,444.20 : x
  2. Step 2: Convert to fraction form
    31,124.40/46,686.60 = 19,444.20/x
  3. Step 3: Cross multiply
    31,124.40x = 46,686.60 × 19,444.20
  4. Step 4: Simplify right side
    31,124.40x = 907,783,587.72
  5. Step 5: Solve for x
    x = 907,783,587.72/31,124.40
  6. Step 6: Final answer
    x = 29,166.30

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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.