Home / 52,758.96-72,804.60-28,881.06

Finding the Fourth Proportional to 52,758.96, 72,804.60 and 28,881.06

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Solution

The fourth proportional to 52,758.96, 72,804.60 and 28,881.06 is: 39,854.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,758.96 : 72,804.60 = 28,881.06 : x
  2. Step 2: Convert to fraction form
    52,758.96/72,804.60 = 28,881.06/x
  3. Step 3: Cross multiply
    52,758.96x = 72,804.60 × 28,881.06
  4. Step 4: Simplify right side
    52,758.96x = 2,102,674,020.88
  5. Step 5: Solve for x
    x = 2,102,674,020.88/52,758.96
  6. Step 6: Final answer
    x = 39,854.35

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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.