Home / 39,087,101.30-53,946,666.03-21,689,051.57

Finding the Fourth Proportional to 39,087,101.30, 53,946,666.03 and 21,689,051.57

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Solution

The fourth proportional to 39,087,101.30, 53,946,666.03 and 21,689,051.57 is: 29,934,479.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,087,101.30 : 53,946,666.03 = 21,689,051.57 : x
  2. Step 2: Convert to fraction form
    39,087,101.30/53,946,666.03 = 21,689,051.57/x
  3. Step 3: Cross multiply
    39,087,101.30x = 53,946,666.03 × 21,689,051.57
  4. Step 4: Simplify right side
    39,087,101.30x = 1,170,052,021,554,237.25
  5. Step 5: Solve for x
    x = 1,170,052,021,554,237.25/39,087,101.30
  6. Step 6: Final answer
    x = 29,934,479.22

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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.