Home / 42,899.39-64,357.70-14,820.47

Finding the Fourth Proportional to 42,899.39, 64,357.70 and 14,820.47

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Solution

The fourth proportional to 42,899.39, 64,357.70 and 14,820.47 is: 22,233.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,899.39 : 64,357.70 = 14,820.47 : x
  2. Step 2: Convert to fraction form
    42,899.39/64,357.70 = 14,820.47/x
  3. Step 3: Cross multiply
    42,899.39x = 64,357.70 × 14,820.47
  4. Step 4: Simplify right side
    42,899.39x = 953,811,362.12
  5. Step 5: Solve for x
    x = 953,811,362.12/42,899.39
  6. Step 6: Final answer
    x = 22,233.68

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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.