Home / 52,403.10-72,316.45-28,529.92

Finding the Fourth Proportional to 52,403.10, 72,316.45 and 28,529.92

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Solution

The fourth proportional to 52,403.10, 72,316.45 and 28,529.92 is: 39,371.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,403.10 : 72,316.45 = 28,529.92 : x
  2. Step 2: Convert to fraction form
    52,403.10/72,316.45 = 28,529.92/x
  3. Step 3: Cross multiply
    52,403.10x = 72,316.45 × 28,529.92
  4. Step 4: Simplify right side
    52,403.10x = 2,063,182,533.18
  5. Step 5: Solve for x
    x = 2,063,182,533.18/52,403.10
  6. Step 6: Final answer
    x = 39,371.38

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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.