Home / 34,093.13-47,045.15-18,985.20

Finding the Fourth Proportional to 34,093.13, 47,045.15 and 18,985.20

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Solution

The fourth proportional to 34,093.13, 47,045.15 and 18,985.20 is: 26,197.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,093.13 : 47,045.15 = 18,985.20 : x
  2. Step 2: Convert to fraction form
    34,093.13/47,045.15 = 18,985.20/x
  3. Step 3: Cross multiply
    34,093.13x = 47,045.15 × 18,985.20
  4. Step 4: Simplify right side
    34,093.13x = 893,161,486.85
  5. Step 5: Solve for x
    x = 893,161,486.85/34,093.13
  6. Step 6: Final answer
    x = 26,197.70

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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.