Home / 31,278.03-46,927.85-19,577.31

Finding the Fourth Proportional to 31,278.03, 46,927.85 and 19,577.31

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Solution

The fourth proportional to 31,278.03, 46,927.85 and 19,577.31 is: 29,372.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,278.03 : 46,927.85 = 19,577.31 : x
  2. Step 2: Convert to fraction form
    31,278.03/46,927.85 = 19,577.31/x
  3. Step 3: Cross multiply
    31,278.03x = 46,927.85 × 19,577.31
  4. Step 4: Simplify right side
    31,278.03x = 918,720,969.20
  5. Step 5: Solve for x
    x = 918,720,969.20/31,278.03
  6. Step 6: Final answer
    x = 29,372.72

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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.