Home / 70,004.28-96,604.65-38,172.51

Finding the Fourth Proportional to 70,004.28, 96,604.65 and 38,172.51

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Solution

The fourth proportional to 70,004.28, 96,604.65 and 38,172.51 is: 52,677.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,004.28 : 96,604.65 = 38,172.51 : x
  2. Step 2: Convert to fraction form
    70,004.28/96,604.65 = 38,172.51/x
  3. Step 3: Cross multiply
    70,004.28x = 96,604.65 × 38,172.51
  4. Step 4: Simplify right side
    70,004.28x = 3,687,641,968.17
  5. Step 5: Solve for x
    x = 3,687,641,968.17/70,004.28
  6. Step 6: Final answer
    x = 52,677.38

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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.