Home / 52,293.09-72,164.93-28,419.78

Finding the Fourth Proportional to 52,293.09, 72,164.93 and 28,419.78

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Solution

The fourth proportional to 52,293.09, 72,164.93 and 28,419.78 is: 39,219.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,293.09 : 72,164.93 = 28,419.78 : x
  2. Step 2: Convert to fraction form
    52,293.09/72,164.93 = 28,419.78/x
  3. Step 3: Cross multiply
    52,293.09x = 72,164.93 × 28,419.78
  4. Step 4: Simplify right side
    52,293.09x = 2,050,911,292.22
  5. Step 5: Solve for x
    x = 2,050,911,292.22/52,293.09
  6. Step 6: Final answer
    x = 39,219.55

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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.