Home / 67,729.72-93,455.04-39,042.76

Finding the Fourth Proportional to 67,729.72, 93,455.04 and 39,042.76

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Solution

The fourth proportional to 67,729.72, 93,455.04 and 39,042.76 is: 53,872.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,729.72 : 93,455.04 = 39,042.76 : x
  2. Step 2: Convert to fraction form
    67,729.72/93,455.04 = 39,042.76/x
  3. Step 3: Cross multiply
    67,729.72x = 93,455.04 × 39,042.76
  4. Step 4: Simplify right side
    67,729.72x = 3,648,742,697.51
  5. Step 5: Solve for x
    x = 3,648,742,697.51/67,729.72
  6. Step 6: Final answer
    x = 53,872.11

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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.