Home / 39,760.09-59,638.76-10,178.18

Finding the Fourth Proportional to 39,760.09, 59,638.76 and 10,178.18

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Solution

The fourth proportional to 39,760.09, 59,638.76 and 10,178.18 is: 15,266.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,760.09 : 59,638.76 = 10,178.18 : x
  2. Step 2: Convert to fraction form
    39,760.09/59,638.76 = 10,178.18/x
  3. Step 3: Cross multiply
    39,760.09x = 59,638.76 × 10,178.18
  4. Step 4: Simplify right side
    39,760.09x = 607,014,034.26
  5. Step 5: Solve for x
    x = 607,014,034.26/39,760.09
  6. Step 6: Final answer
    x = 15,266.92

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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.