Home / 52,477.38-72,416.57-28,603.49

Finding the Fourth Proportional to 52,477.38, 72,416.57 and 28,603.49

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Solution

The fourth proportional to 52,477.38, 72,416.57 and 28,603.49 is: 39,471.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,477.38 : 72,416.57 = 28,603.49 : x
  2. Step 2: Convert to fraction form
    52,477.38/72,416.57 = 28,603.49/x
  3. Step 3: Cross multiply
    52,477.38x = 72,416.57 × 28,603.49
  4. Step 4: Simplify right side
    52,477.38x = 2,071,366,130.73
  5. Step 5: Solve for x
    x = 2,071,366,130.73/52,477.38
  6. Step 6: Final answer
    x = 39,471.60

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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.