Home / 47,302.29-65,307.60-29,421.63

Finding the Fourth Proportional to 47,302.29, 65,307.60 and 29,421.63

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Solution

The fourth proportional to 47,302.29, 65,307.60 and 29,421.63 is: 40,620.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,302.29 : 65,307.60 = 29,421.63 : x
  2. Step 2: Convert to fraction form
    47,302.29/65,307.60 = 29,421.63/x
  3. Step 3: Cross multiply
    47,302.29x = 65,307.60 × 29,421.63
  4. Step 4: Simplify right side
    47,302.29x = 1,921,456,043.39
  5. Step 5: Solve for x
    x = 1,921,456,043.39/47,302.29
  6. Step 6: Final answer
    x = 40,620.78

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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.