Home / 70,030.40-96,638.40-38,199.04

Finding the Fourth Proportional to 70,030.40, 96,638.40 and 38,199.04

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Solution

The fourth proportional to 70,030.40, 96,638.40 and 38,199.04 is: 52,712.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,030.40 : 96,638.40 = 38,199.04 : x
  2. Step 2: Convert to fraction form
    70,030.40/96,638.40 = 38,199.04/x
  3. Step 3: Cross multiply
    70,030.40x = 96,638.40 × 38,199.04
  4. Step 4: Simplify right side
    70,030.40x = 3,691,494,107.14
  5. Step 5: Solve for x
    x = 3,691,494,107.14/70,030.40
  6. Step 6: Final answer
    x = 52,712.74

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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.