Home / 30,291,508.50-42,084,475.86-29,928,301.80

Finding the Fourth Proportional to 30,291,508.50, 42,084,475.86 and 29,928,301.80

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Solution

The fourth proportional to 30,291,508.50, 42,084,475.86 and 29,928,301.80 is: 41,579,867.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,291,508.50 : 42,084,475.86 = 29,928,301.80 : x
  2. Step 2: Convert to fraction form
    30,291,508.50/42,084,475.86 = 29,928,301.80/x
  3. Step 3: Cross multiply
    30,291,508.50x = 42,084,475.86 × 29,928,301.80
  4. Step 4: Simplify right side
    30,291,508.50x = 1,259,516,894,632,894.50
  5. Step 5: Solve for x
    x = 1,259,516,894,632,894.50/30,291,508.50
  6. Step 6: Final answer
    x = 41,579,867.00

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.