Home / 42,807.80-64,195.74-14,719.91

Finding the Fourth Proportional to 42,807.80, 64,195.74 and 14,719.91

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Solution

The fourth proportional to 42,807.80, 64,195.74 and 14,719.91 is: 22,074.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,807.80 : 64,195.74 = 14,719.91 : x
  2. Step 2: Convert to fraction form
    42,807.80/64,195.74 = 14,719.91/x
  3. Step 3: Cross multiply
    42,807.80x = 64,195.74 × 14,719.91
  4. Step 4: Simplify right side
    42,807.80x = 944,955,194.20
  5. Step 5: Solve for x
    x = 944,955,194.20/42,807.80
  6. Step 6: Final answer
    x = 22,074.37

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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.