Home / 39,302.48-58,953.14-9,720.32

Finding the Fourth Proportional to 39,302.48, 58,953.14 and 9,720.32

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Solution

The fourth proportional to 39,302.48, 58,953.14 and 9,720.32 is: 14,580.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,302.48 : 58,953.14 = 9,720.32 : x
  2. Step 2: Convert to fraction form
    39,302.48/58,953.14 = 9,720.32/x
  3. Step 3: Cross multiply
    39,302.48x = 58,953.14 × 9,720.32
  4. Step 4: Simplify right side
    39,302.48x = 573,043,385.80
  5. Step 5: Solve for x
    x = 573,043,385.80/39,302.48
  6. Step 6: Final answer
    x = 14,580.34

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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.