Home / 30,450,079.32-42,017,237.64-17,398,183.20

Finding the Fourth Proportional to 30,450,079.32, 42,017,237.64 and 17,398,183.20

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Solution

The fourth proportional to 30,450,079.32, 42,017,237.64 and 17,398,183.20 is: 24,007,280.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,450,079.32 : 42,017,237.64 = 17,398,183.20 : x
  2. Step 2: Convert to fraction form
    30,450,079.32/42,017,237.64 = 17,398,183.20/x
  3. Step 3: Cross multiply
    30,450,079.32x = 42,017,237.64 × 17,398,183.20
  4. Step 4: Simplify right side
    30,450,079.32x = 731,023,598,018,655.62
  5. Step 5: Solve for x
    x = 731,023,598,018,655.62/30,450,079.32
  6. Step 6: Final answer
    x = 24,007,280.58

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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.