Home / 30,369,003.12-41,871,208.56-25,346,962.20

Finding the Fourth Proportional to 30,369,003.12, 41,871,208.56 and 25,346,962.20

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Solution

The fourth proportional to 30,369,003.12, 41,871,208.56 and 25,346,962.20 is: 34,947,078.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,369,003.12 : 41,871,208.56 = 25,346,962.20 : x
  2. Step 2: Convert to fraction form
    30,369,003.12/41,871,208.56 = 25,346,962.20/x
  3. Step 3: Cross multiply
    30,369,003.12x = 41,871,208.56 × 25,346,962.20
  4. Step 4: Simplify right side
    30,369,003.12x = 1,061,307,940,638,636.50
  5. Step 5: Solve for x
    x = 1,061,307,940,638,636.50/30,369,003.12
  6. Step 6: Final answer
    x = 34,947,078.65

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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.