Home / 31,237.76-46,876.08-13,722.32

Finding the Fourth Proportional to 31,237.76, 46,876.08 and 13,722.32

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Solution

The fourth proportional to 31,237.76, 46,876.08 and 13,722.32 is: 20,592.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,237.76 : 46,876.08 = 13,722.32 : x
  2. Step 2: Convert to fraction form
    31,237.76/46,876.08 = 13,722.32/x
  3. Step 3: Cross multiply
    31,237.76x = 46,876.08 × 13,722.32
  4. Step 4: Simplify right side
    31,237.76x = 643,248,570.11
  5. Step 5: Solve for x
    x = 643,248,570.11/31,237.76
  6. Step 6: Final answer
    x = 20,592.02

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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.