Home / 39,769.02-59,632.23-21,001.59

Finding the Fourth Proportional to 39,769.02, 59,632.23 and 21,001.59

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Solution

The fourth proportional to 39,769.02, 59,632.23 and 21,001.59 is: 31,491.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,769.02 : 59,632.23 = 21,001.59 : x
  2. Step 2: Convert to fraction form
    39,769.02/59,632.23 = 21,001.59/x
  3. Step 3: Cross multiply
    39,769.02x = 59,632.23 × 21,001.59
  4. Step 4: Simplify right side
    39,769.02x = 1,252,371,645.25
  5. Step 5: Solve for x
    x = 1,252,371,645.25/39,769.02
  6. Step 6: Final answer
    x = 31,491.14

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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.