Home / 70,021.30-96,625.54-39,802.42

Finding the Fourth Proportional to 70,021.30, 96,625.54 and 39,802.42

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Solution

The fourth proportional to 70,021.30, 96,625.54 and 39,802.42 is: 54,925.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,021.30 : 96,625.54 = 39,802.42 : x
  2. Step 2: Convert to fraction form
    70,021.30/96,625.54 = 39,802.42/x
  3. Step 3: Cross multiply
    70,021.30x = 96,625.54 × 39,802.42
  4. Step 4: Simplify right side
    70,021.30x = 3,845,930,325.81
  5. Step 5: Solve for x
    x = 3,845,930,325.81/70,021.30
  6. Step 6: Final answer
    x = 54,925.15

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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.