Home / 40,461.68-60,720-14,166.32

Finding the Fourth Proportional to 40,461.68, 60,720 and 14,166.32

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Solution

The fourth proportional to 40,461.68, 60,720 and 14,166.32 is: 21,259.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,461.68 : 60,720 = 14,166.32 : x
  2. Step 2: Convert to fraction form
    40,461.68/60,720 = 14,166.32/x
  3. Step 3: Cross multiply
    40,461.68x = 60,720 × 14,166.32
  4. Step 4: Simplify right side
    40,461.68x = 860,178,950.40
  5. Step 5: Solve for x
    x = 860,178,950.40/40,461.68
  6. Step 6: Final answer
    x = 21,259.10

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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.