Home / 52,448.51-72,379.78-28,575.18

Finding the Fourth Proportional to 52,448.51, 72,379.78 and 28,575.18

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Solution

The fourth proportional to 52,448.51, 72,379.78 and 28,575.18 is: 39,434.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,448.51 : 72,379.78 = 28,575.18 : x
  2. Step 2: Convert to fraction form
    52,448.51/72,379.78 = 28,575.18/x
  3. Step 3: Cross multiply
    52,448.51x = 72,379.78 × 28,575.18
  4. Step 4: Simplify right side
    52,448.51x = 2,068,265,170.42
  5. Step 5: Solve for x
    x = 2,068,265,170.42/52,448.51
  6. Step 6: Final answer
    x = 39,434.20

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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.