Home / 38,739,040.32-53,462,292.24-21,335,381.04

Finding the Fourth Proportional to 38,739,040.32, 53,462,292.24 and 21,335,381.04

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Solution

The fourth proportional to 38,739,040.32, 53,462,292.24 and 21,335,381.04 is: 29,444,156.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,739,040.32 : 53,462,292.24 = 21,335,381.04 : x
  2. Step 2: Convert to fraction form
    38,739,040.32/53,462,292.24 = 21,335,381.04/x
  3. Step 3: Cross multiply
    38,739,040.32x = 53,462,292.24 × 21,335,381.04
  4. Step 4: Simplify right side
    38,739,040.32x = 1,140,638,376,212,235.25
  5. Step 5: Solve for x
    x = 1,140,638,376,212,235.25/38,739,040.32
  6. Step 6: Final answer
    x = 29,444,156.77

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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.