Home / 40,901.42-61,355.06-10,915.50

Finding the Fourth Proportional to 40,901.42, 61,355.06 and 10,915.50

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Solution

The fourth proportional to 40,901.42, 61,355.06 and 10,915.50 is: 16,374.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,901.42 : 61,355.06 = 10,915.50 : x
  2. Step 2: Convert to fraction form
    40,901.42/61,355.06 = 10,915.50/x
  3. Step 3: Cross multiply
    40,901.42x = 61,355.06 × 10,915.50
  4. Step 4: Simplify right side
    40,901.42x = 669,721,157.43
  5. Step 5: Solve for x
    x = 669,721,157.43/40,901.42
  6. Step 6: Final answer
    x = 16,374.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.