Home / 39,210.48-58,816.32-21,642.12

Finding the Fourth Proportional to 39,210.48, 58,816.32 and 21,642.12

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Solution

The fourth proportional to 39,210.48, 58,816.32 and 21,642.12 is: 32,463.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,210.48 : 58,816.32 = 21,642.12 : x
  2. Step 2: Convert to fraction form
    39,210.48/58,816.32 = 21,642.12/x
  3. Step 3: Cross multiply
    39,210.48x = 58,816.32 × 21,642.12
  4. Step 4: Simplify right side
    39,210.48x = 1,272,909,855.40
  5. Step 5: Solve for x
    x = 1,272,909,855.40/39,210.48
  6. Step 6: Final answer
    x = 32,463.51

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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.