Home / 30,248.02-41,742.12-16,818.47

Finding the Fourth Proportional to 30,248.02, 41,742.12 and 16,818.47

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Solution

The fourth proportional to 30,248.02, 41,742.12 and 16,818.47 is: 23,209.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,248.02 : 41,742.12 = 16,818.47 : x
  2. Step 2: Convert to fraction form
    30,248.02/41,742.12 = 16,818.47/x
  3. Step 3: Cross multiply
    30,248.02x = 41,742.12 × 16,818.47
  4. Step 4: Simplify right side
    30,248.02x = 702,038,592.96
  5. Step 5: Solve for x
    x = 702,038,592.96/30,248.02
  6. Step 6: Final answer
    x = 23,209.41

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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.