Home / 38,436,091.80-53,041,805.88-21,032,436.36

Finding the Fourth Proportional to 38,436,091.80, 53,041,805.88 and 21,032,436.36

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Solution

The fourth proportional to 38,436,091.80, 53,041,805.88 and 21,032,436.36 is: 29,024,761.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,436,091.80 : 53,041,805.88 = 21,032,436.36 : x
  2. Step 2: Convert to fraction form
    38,436,091.80/53,041,805.88 = 21,032,436.36/x
  3. Step 3: Cross multiply
    38,436,091.80x = 53,041,805.88 × 21,032,436.36
  4. Step 4: Simplify right side
    38,436,091.80x = 1,115,598,406,590,573.88
  5. Step 5: Solve for x
    x = 1,115,598,406,590,573.88/38,436,091.80
  6. Step 6: Final answer
    x = 29,024,761.74

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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.