Home / 42,665.74-64,000.23-11,501.26

Finding the Fourth Proportional to 42,665.74, 64,000.23 and 11,501.26

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Solution

The fourth proportional to 42,665.74, 64,000.23 and 11,501.26 is: 17,252.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,665.74 : 64,000.23 = 11,501.26 : x
  2. Step 2: Convert to fraction form
    42,665.74/64,000.23 = 11,501.26/x
  3. Step 3: Cross multiply
    42,665.74x = 64,000.23 × 11,501.26
  4. Step 4: Simplify right side
    42,665.74x = 736,083,285.29
  5. Step 5: Solve for x
    x = 736,083,285.29/42,665.74
  6. Step 6: Final answer
    x = 17,252.33

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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.