Home / 70,589.47-97,415.04-38,758.50

Finding the Fourth Proportional to 70,589.47, 97,415.04 and 38,758.50

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Solution

The fourth proportional to 70,589.47, 97,415.04 and 38,758.50 is: 53,487.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,589.47 : 97,415.04 = 38,758.50 : x
  2. Step 2: Convert to fraction form
    70,589.47/97,415.04 = 38,758.50/x
  3. Step 3: Cross multiply
    70,589.47x = 97,415.04 × 38,758.50
  4. Step 4: Simplify right side
    70,589.47x = 3,775,660,827.84
  5. Step 5: Solve for x
    x = 3,775,660,827.84/70,589.47
  6. Step 6: Final answer
    x = 53,487.59

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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.