Home / 70,555.51-97,366.46-38,723.72

Finding the Fourth Proportional to 70,555.51, 97,366.46 and 38,723.72

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Solution

The fourth proportional to 70,555.51, 97,366.46 and 38,723.72 is: 53,438.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,555.51 : 97,366.46 = 38,723.72 : x
  2. Step 2: Convert to fraction form
    70,555.51/97,366.46 = 38,723.72/x
  3. Step 3: Cross multiply
    70,555.51x = 97,366.46 × 38,723.72
  4. Step 4: Simplify right side
    70,555.51x = 3,770,391,401.67
  5. Step 5: Solve for x
    x = 3,770,391,401.67/70,555.51
  6. Step 6: Final answer
    x = 53,438.66

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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.