Home / 39,358,886.34-59,055,380.82-21,141,827.58

Finding the Fourth Proportional to 39,358,886.34, 59,055,380.82 and 21,141,827.58

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Solution

The fourth proportional to 39,358,886.34, 59,055,380.82 and 21,141,827.58 is: 31,721,900.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,358,886.34 : 59,055,380.82 = 21,141,827.58 : x
  2. Step 2: Convert to fraction form
    39,358,886.34/59,055,380.82 = 21,141,827.58/x
  3. Step 3: Cross multiply
    39,358,886.34x = 59,055,380.82 × 21,141,827.58
  4. Step 4: Simplify right side
    39,358,886.34x = 1,248,538,678,967,679
  5. Step 5: Solve for x
    x = 1,248,538,678,967,679/39,358,886.34
  6. Step 6: Final answer
    x = 31,721,900.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.