Home / 70,008.18-96,607.80-39,789.51

Finding the Fourth Proportional to 70,008.18, 96,607.80 and 39,789.51

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Solution

The fourth proportional to 70,008.18, 96,607.80 and 39,789.51 is: 54,907.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,008.18 : 96,607.80 = 39,789.51 : x
  2. Step 2: Convert to fraction form
    70,008.18/96,607.80 = 39,789.51/x
  3. Step 3: Cross multiply
    70,008.18x = 96,607.80 × 39,789.51
  4. Step 4: Simplify right side
    70,008.18x = 3,843,977,024.18
  5. Step 5: Solve for x
    x = 3,843,977,024.18/70,008.18
  6. Step 6: Final answer
    x = 54,907.54

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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.