Home / 52,438.19-72,364.55-28,564.79

Finding the Fourth Proportional to 52,438.19, 72,364.55 and 28,564.79

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Solution

The fourth proportional to 52,438.19, 72,364.55 and 28,564.79 is: 39,419.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,438.19 : 72,364.55 = 28,564.79 : x
  2. Step 2: Convert to fraction form
    52,438.19/72,364.55 = 28,564.79/x
  3. Step 3: Cross multiply
    52,438.19x = 72,364.55 × 28,564.79
  4. Step 4: Simplify right side
    52,438.19x = 2,067,077,669.55
  5. Step 5: Solve for x
    x = 2,067,077,669.55/52,438.19
  6. Step 6: Final answer
    x = 39,419.32

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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.