Home / 58,010.20-87,015.30-39,578.20

Finding the Fourth Proportional to 58,010.20, 87,015.30 and 39,578.20

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Solution

The fourth proportional to 58,010.20, 87,015.30 and 39,578.20 is: 59,367.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,010.20 : 87,015.30 = 39,578.20 : x
  2. Step 2: Convert to fraction form
    58,010.20/87,015.30 = 39,578.20/x
  3. Step 3: Cross multiply
    58,010.20x = 87,015.30 × 39,578.20
  4. Step 4: Simplify right side
    58,010.20x = 3,443,908,946.46
  5. Step 5: Solve for x
    x = 3,443,908,946.46/58,010.20
  6. Step 6: Final answer
    x = 59,367.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.