Home / 30,723,153.96-42,399,169.02-17,670,396.81

Finding the Fourth Proportional to 30,723,153.96, 42,399,169.02 and 17,670,396.81

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Solution

The fourth proportional to 30,723,153.96, 42,399,169.02 and 17,670,396.81 is: 24,385,847.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,723,153.96 : 42,399,169.02 = 17,670,396.81 : x
  2. Step 2: Convert to fraction form
    30,723,153.96/42,399,169.02 = 17,670,396.81/x
  3. Step 3: Cross multiply
    30,723,153.96x = 42,399,169.02 × 17,670,396.81
  4. Step 4: Simplify right side
    30,723,153.96x = 749,210,140,997,658.88
  5. Step 5: Solve for x
    x = 749,210,140,997,658.88/30,723,153.96
  6. Step 6: Final answer
    x = 24,385,847.30

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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.