Home / 42,948.63-64,427.13-17,996.58

Finding the Fourth Proportional to 42,948.63, 64,427.13 and 17,996.58

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Solution

The fourth proportional to 42,948.63, 64,427.13 and 17,996.58 is: 26,996.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,948.63 : 64,427.13 = 17,996.58 : x
  2. Step 2: Convert to fraction form
    42,948.63/64,427.13 = 17,996.58/x
  3. Step 3: Cross multiply
    42,948.63x = 64,427.13 × 17,996.58
  4. Step 4: Simplify right side
    42,948.63x = 1,159,467,999.22
  5. Step 5: Solve for x
    x = 1,159,467,999.22/42,948.63
  6. Step 6: Final answer
    x = 26,996.62

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1.5x scale

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.