Home / 61,182.90-84,439.80-34,320.33

Finding the Fourth Proportional to 61,182.90, 84,439.80 and 34,320.33

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Solution

The fourth proportional to 61,182.90, 84,439.80 and 34,320.33 is: 47,366.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,182.90 : 84,439.80 = 34,320.33 : x
  2. Step 2: Convert to fraction form
    61,182.90/84,439.80 = 34,320.33/x
  3. Step 3: Cross multiply
    61,182.90x = 84,439.80 × 34,320.33
  4. Step 4: Simplify right side
    61,182.90x = 2,898,001,801.13
  5. Step 5: Solve for x
    x = 2,898,001,801.13/61,182.90
  6. Step 6: Final answer
    x = 47,366.21

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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.