Home / 52,478.51-72,418.19-28,604.66

Finding the Fourth Proportional to 52,478.51, 72,418.19 and 28,604.66

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Solution

The fourth proportional to 52,478.51, 72,418.19 and 28,604.66 is: 39,473.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,478.51 : 72,418.19 = 28,604.66 : x
  2. Step 2: Convert to fraction form
    52,478.51/72,418.19 = 28,604.66/x
  3. Step 3: Cross multiply
    52,478.51x = 72,418.19 × 28,604.66
  4. Step 4: Simplify right side
    52,478.51x = 2,071,497,702.77
  5. Step 5: Solve for x
    x = 2,071,497,702.77/52,478.51
  6. Step 6: Final answer
    x = 39,473.26

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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.