Home / 51,268.08-70,762.84-28,925.04

Finding the Fourth Proportional to 51,268.08, 70,762.84 and 28,925.04

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Solution

The fourth proportional to 51,268.08, 70,762.84 and 28,925.04 is: 39,923.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,268.08 : 70,762.84 = 28,925.04 : x
  2. Step 2: Convert to fraction form
    51,268.08/70,762.84 = 28,925.04/x
  3. Step 3: Cross multiply
    51,268.08x = 70,762.84 × 28,925.04
  4. Step 4: Simplify right side
    51,268.08x = 2,046,817,977.51
  5. Step 5: Solve for x
    x = 2,046,817,977.51/51,268.08
  6. Step 6: Final answer
    x = 39,923.83

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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.