Home / 61,438.26-84,784.78-34,580.91

Finding the Fourth Proportional to 61,438.26, 84,784.78 and 34,580.91

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Solution

The fourth proportional to 61,438.26, 84,784.78 and 34,580.91 is: 47,721.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,438.26 : 84,784.78 = 34,580.91 : x
  2. Step 2: Convert to fraction form
    61,438.26/84,784.78 = 34,580.91/x
  3. Step 3: Cross multiply
    61,438.26x = 84,784.78 × 34,580.91
  4. Step 4: Simplify right side
    61,438.26x = 2,931,934,536.29
  5. Step 5: Solve for x
    x = 2,931,934,536.29/61,438.26
  6. Step 6: Final answer
    x = 47,721.64

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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.