Home / 38,437.16-53,043.57-21,442.52

Finding the Fourth Proportional to 38,437.16, 53,043.57 and 21,442.52

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Solution

The fourth proportional to 38,437.16, 53,043.57 and 21,442.52 is: 29,590.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,437.16 : 53,043.57 = 21,442.52 : x
  2. Step 2: Convert to fraction form
    38,437.16/53,043.57 = 21,442.52/x
  3. Step 3: Cross multiply
    38,437.16x = 53,043.57 × 21,442.52
  4. Step 4: Simplify right side
    38,437.16x = 1,137,387,545.38
  5. Step 5: Solve for x
    x = 1,137,387,545.38/38,437.16
  6. Step 6: Final answer
    x = 29,590.84

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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.