Home / 42,918.78-64,381.06-14,841.58

Finding the Fourth Proportional to 42,918.78, 64,381.06 and 14,841.58

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Solution

The fourth proportional to 42,918.78, 64,381.06 and 14,841.58 is: 22,263.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,918.78 : 64,381.06 = 14,841.58 : x
  2. Step 2: Convert to fraction form
    42,918.78/64,381.06 = 14,841.58/x
  3. Step 3: Cross multiply
    42,918.78x = 64,381.06 × 14,841.58
  4. Step 4: Simplify right side
    42,918.78x = 955,516,652.47
  5. Step 5: Solve for x
    x = 955,516,652.47/42,918.78
  6. Step 6: Final answer
    x = 22,263.37

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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.