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Finding the Fourth Proportional to 39,669.76, 59,504.08 and 9,684.16

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Solution

The fourth proportional to 39,669.76, 59,504.08 and 9,684.16 is: 14,526.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,669.76 : 59,504.08 = 9,684.16 : x
  2. Step 2: Convert to fraction form
    39,669.76/59,504.08 = 9,684.16/x
  3. Step 3: Cross multiply
    39,669.76x = 59,504.08 × 9,684.16
  4. Step 4: Simplify right side
    39,669.76x = 576,247,031.37
  5. Step 5: Solve for x
    x = 576,247,031.37/39,669.76
  6. Step 6: Final answer
    x = 14,526.10

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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.