Home / 39,916.80-55,088.88-22,923.28

Finding the Fourth Proportional to 39,916.80, 55,088.88 and 22,923.28

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Solution

The fourth proportional to 39,916.80, 55,088.88 and 22,923.28 is: 31,636.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,916.80 : 55,088.88 = 22,923.28 : x
  2. Step 2: Convert to fraction form
    39,916.80/55,088.88 = 22,923.28/x
  3. Step 3: Cross multiply
    39,916.80x = 55,088.88 × 22,923.28
  4. Step 4: Simplify right side
    39,916.80x = 1,262,817,821.13
  5. Step 5: Solve for x
    x = 1,262,817,821.13/39,916.80
  6. Step 6: Final answer
    x = 31,636.25

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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.