Home / 43,283.01-64,875.30-18,307.47

Finding the Fourth Proportional to 43,283.01, 64,875.30 and 18,307.47

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Solution

The fourth proportional to 43,283.01, 64,875.30 and 18,307.47 is: 27,440.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,283.01 : 64,875.30 = 18,307.47 : x
  2. Step 2: Convert to fraction form
    43,283.01/64,875.30 = 18,307.47/x
  3. Step 3: Cross multiply
    43,283.01x = 64,875.30 × 18,307.47
  4. Step 4: Simplify right side
    43,283.01x = 1,187,702,572.67
  5. Step 5: Solve for x
    x = 1,187,702,572.67/43,283.01
  6. Step 6: Final answer
    x = 27,440.39

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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.