Home / 52,590.48-72,576.54-28,718.40

Finding the Fourth Proportional to 52,590.48, 72,576.54 and 28,718.40

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Solution

The fourth proportional to 52,590.48, 72,576.54 and 28,718.40 is: 39,632.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,590.48 : 72,576.54 = 28,718.40 : x
  2. Step 2: Convert to fraction form
    52,590.48/72,576.54 = 28,718.40/x
  3. Step 3: Cross multiply
    52,590.48x = 72,576.54 × 28,718.40
  4. Step 4: Simplify right side
    52,590.48x = 2,084,282,106.34
  5. Step 5: Solve for x
    x = 2,084,282,106.34/52,590.48
  6. Step 6: Final answer
    x = 39,632.31

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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.