Home / 42,416.54-63,526.35-40,940.36

Finding the Fourth Proportional to 42,416.54, 63,526.35 and 40,940.36

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Solution

The fourth proportional to 42,416.54, 63,526.35 and 40,940.36 is: 61,315.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,416.54 : 63,526.35 = 40,940.36 : x
  2. Step 2: Convert to fraction form
    42,416.54/63,526.35 = 40,940.36/x
  3. Step 3: Cross multiply
    42,416.54x = 63,526.35 × 40,940.36
  4. Step 4: Simplify right side
    42,416.54x = 2,600,791,638.49
  5. Step 5: Solve for x
    x = 2,600,791,638.49/42,416.54
  6. Step 6: Final answer
    x = 61,315.51

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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.