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Finding the Fourth Proportional to 59,407.76, 81,959.80 and 33,915.56

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Solution

The fourth proportional to 59,407.76, 81,959.80 and 33,915.56 is: 46,790.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,407.76 : 81,959.80 = 33,915.56 : x
  2. Step 2: Convert to fraction form
    59,407.76/81,959.80 = 33,915.56/x
  3. Step 3: Cross multiply
    59,407.76x = 81,959.80 × 33,915.56
  4. Step 4: Simplify right side
    59,407.76x = 2,779,712,514.49
  5. Step 5: Solve for x
    x = 2,779,712,514.49/59,407.76
  6. Step 6: Final answer
    x = 46,790.39

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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.