Home / 62,985.60-86,921.07-34,306.58

Finding the Fourth Proportional to 62,985.60, 86,921.07 and 34,306.58

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Solution

The fourth proportional to 62,985.60, 86,921.07 and 34,306.58 is: 47,343.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,985.60 : 86,921.07 = 34,306.58 : x
  2. Step 2: Convert to fraction form
    62,985.60/86,921.07 = 34,306.58/x
  3. Step 3: Cross multiply
    62,985.60x = 86,921.07 × 34,306.58
  4. Step 4: Simplify right side
    62,985.60x = 2,981,964,730.29
  5. Step 5: Solve for x
    x = 2,981,964,730.29/62,985.60
  6. Step 6: Final answer
    x = 47,343.59

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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.