Home / 39,615.78-59,389.80-14,651.18

Finding the Fourth Proportional to 39,615.78, 59,389.80 and 14,651.18

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Solution

The fourth proportional to 39,615.78, 59,389.80 and 14,651.18 is: 21,964.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,615.78 : 59,389.80 = 14,651.18 : x
  2. Step 2: Convert to fraction form
    39,615.78/59,389.80 = 14,651.18/x
  3. Step 3: Cross multiply
    39,615.78x = 59,389.80 × 14,651.18
  4. Step 4: Simplify right side
    39,615.78x = 870,130,353.02
  5. Step 5: Solve for x
    x = 870,130,353.02/39,615.78
  6. Step 6: Final answer
    x = 21,964.24

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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.