Home / 70,318.47-97,041.81-38,487.36

Finding the Fourth Proportional to 70,318.47, 97,041.81 and 38,487.36

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Solution

The fourth proportional to 70,318.47, 97,041.81 and 38,487.36 is: 53,113.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,318.47 : 97,041.81 = 38,487.36 : x
  2. Step 2: Convert to fraction form
    70,318.47/97,041.81 = 38,487.36/x
  3. Step 3: Cross multiply
    70,318.47x = 97,041.81 × 38,487.36
  4. Step 4: Simplify right side
    70,318.47x = 3,734,883,584.76
  5. Step 5: Solve for x
    x = 3,734,883,584.76/70,318.47
  6. Step 6: Final answer
    x = 53,113.83

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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.