Home / 79,091.34-118,635.64-19,925.70

Finding the Fourth Proportional to 79,091.34, 118,635.64 and 19,925.70

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Solution

The fourth proportional to 79,091.34, 118,635.64 and 19,925.70 is: 29,888.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,091.34 : 118,635.64 = 19,925.70 : x
  2. Step 2: Convert to fraction form
    79,091.34/118,635.64 = 19,925.70/x
  3. Step 3: Cross multiply
    79,091.34x = 118,635.64 × 19,925.70
  4. Step 4: Simplify right side
    79,091.34x = 2,363,897,677.25
  5. Step 5: Solve for x
    x = 2,363,897,677.25/79,091.34
  6. Step 6: Final answer
    x = 29,888.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.