Home / 70,602.18-97,432.74-38,338.20

Finding the Fourth Proportional to 70,602.18, 97,432.74 and 38,338.20

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Solution

The fourth proportional to 70,602.18, 97,432.74 and 38,338.20 is: 52,907.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,602.18 : 97,432.74 = 38,338.20 : x
  2. Step 2: Convert to fraction form
    70,602.18/97,432.74 = 38,338.20/x
  3. Step 3: Cross multiply
    70,602.18x = 97,432.74 × 38,338.20
  4. Step 4: Simplify right side
    70,602.18x = 3,735,395,872.67
  5. Step 5: Solve for x
    x = 3,735,395,872.67/70,602.18
  6. Step 6: Final answer
    x = 52,907.66

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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.