Home / 55,692.34-76,848.35-31,820.56

Finding the Fourth Proportional to 55,692.34, 76,848.35 and 31,820.56

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Solution

The fourth proportional to 55,692.34, 76,848.35 and 31,820.56 is: 43,908.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,692.34 : 76,848.35 = 31,820.56 : x
  2. Step 2: Convert to fraction form
    55,692.34/76,848.35 = 31,820.56/x
  3. Step 3: Cross multiply
    55,692.34x = 76,848.35 × 31,820.56
  4. Step 4: Simplify right side
    55,692.34x = 2,445,357,180.85
  5. Step 5: Solve for x
    x = 2,445,357,180.85/55,692.34
  6. Step 6: Final answer
    x = 43,908.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.