Home / 30,045.04-41,462.44-16,617.20

Finding the Fourth Proportional to 30,045.04, 41,462.44 and 16,617.20

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Solution

The fourth proportional to 30,045.04, 41,462.44 and 16,617.20 is: 22,931.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,045.04 : 41,462.44 = 16,617.20 : x
  2. Step 2: Convert to fraction form
    30,045.04/41,462.44 = 16,617.20/x
  3. Step 3: Cross multiply
    30,045.04x = 41,462.44 × 16,617.20
  4. Step 4: Simplify right side
    30,045.04x = 688,989,657.97
  5. Step 5: Solve for x
    x = 688,989,657.97/30,045.04
  6. Step 6: Final answer
    x = 22,931.89

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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.