Home / 39,356.15-54,312.96-22,363.28

Finding the Fourth Proportional to 39,356.15, 54,312.96 and 22,363.28

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Solution

The fourth proportional to 39,356.15, 54,312.96 and 22,363.28 is: 30,862.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,356.15 : 54,312.96 = 22,363.28 : x
  2. Step 2: Convert to fraction form
    39,356.15/54,312.96 = 22,363.28/x
  3. Step 3: Cross multiply
    39,356.15x = 54,312.96 × 22,363.28
  4. Step 4: Simplify right side
    39,356.15x = 1,214,615,683.01
  5. Step 5: Solve for x
    x = 1,214,615,683.01/39,356.15
  6. Step 6: Final answer
    x = 30,862.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.