Home / 42,943.77-64,416.06-13,360.95

Finding the Fourth Proportional to 42,943.77, 64,416.06 and 13,360.95

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Solution

The fourth proportional to 42,943.77, 64,416.06 and 13,360.95 is: 20,041.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,943.77 : 64,416.06 = 13,360.95 : x
  2. Step 2: Convert to fraction form
    42,943.77/64,416.06 = 13,360.95/x
  3. Step 3: Cross multiply
    42,943.77x = 64,416.06 × 13,360.95
  4. Step 4: Simplify right side
    42,943.77x = 860,659,756.86
  5. Step 5: Solve for x
    x = 860,659,756.86/42,943.77
  6. Step 6: Final answer
    x = 20,041.55

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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.