Home / 52,403.28-72,314.33-28,528.53

Finding the Fourth Proportional to 52,403.28, 72,314.33 and 28,528.53

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Solution

The fourth proportional to 52,403.28, 72,314.33 and 28,528.53 is: 39,368.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,403.28 : 72,314.33 = 28,528.53 : x
  2. Step 2: Convert to fraction form
    52,403.28/72,314.33 = 28,528.53/x
  3. Step 3: Cross multiply
    52,403.28x = 72,314.33 × 28,528.53
  4. Step 4: Simplify right side
    52,403.28x = 2,063,021,532.83
  5. Step 5: Solve for x
    x = 2,063,021,532.83/52,403.28
  6. Step 6: Final answer
    x = 39,368.18

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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.