Home / 39,342,017.03-54,292,035.81-21,700,523.96

Finding the Fourth Proportional to 39,342,017.03, 54,292,035.81 and 21,700,523.96

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Solution

The fourth proportional to 39,342,017.03, 54,292,035.81 and 21,700,523.96 is: 29,946,751.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,342,017.03 : 54,292,035.81 = 21,700,523.96 : x
  2. Step 2: Convert to fraction form
    39,342,017.03/54,292,035.81 = 21,700,523.96/x
  3. Step 3: Cross multiply
    39,342,017.03x = 54,292,035.81 × 21,700,523.96
  4. Step 4: Simplify right side
    39,342,017.03x = 1,178,165,623,552,120
  5. Step 5: Solve for x
    x = 1,178,165,623,552,120/39,342,017.03
  6. Step 6: Final answer
    x = 29,946,751.91

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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.